{
  "id": "ratio.proportion",
  "term": "ratio",
  "sense": "proportion",
  "pos": "noun",
  "status": "review",
  "level": 10,
  "arena": "ratio",
  "domain": "everyday",
  "style": null,
  "definition": "a relation that compares one quantity to another",
  "folk_gloss": null,
  "emergence": {
    "components": [
      "number.quantity",
      "compare.relation",
      "quantity.numerical",
      "relation.association"
    ],
    "interaction": "a numerical quantity is associated with another and compared to it",
    "novel_properties": [
      "relative magnitude",
      "comparative structure",
      "quantitative reference"
    ]
  },
  "examples": [
    {
      "text": "The golden ratio appears in the spiral arrangement of leaves on a sunflower, with 34 clockwise and 21 counterclockwise spirals.",
      "domain": "biology"
    },
    {
      "text": "The debt-to-GDP ratio of Greece reached 180% in 2017, exceeding the Eurozone's sustainability threshold.",
      "domain": "economics"
    },
    {
      "text": "The aspect ratio of standard IMAX film is 1.43:1, differing from the 2.40:1 ratio of most widescreen cinema.",
      "domain": "engineering"
    }
  ],
  "relations": [
    {
      "id": "relation.association",
      "note": "is-a",
      "type": "is-a"
    }
  ],
  "used_by": [
    "meters.measurement",
    "percent.ratio"
  ],
  "forms": [
    "ratio",
    "ratios"
  ],
  "closed": true,
  "provenance": {
    "author": "openrouter:openai/gpt-oss-120b",
    "date": "2026-07-29",
    "confidence": 0.6,
    "reconciled": {
      "by": "openrouter:qwen/qwen3-235b-a22b-2507",
      "date": "2026-07-31",
      "changed": "components",
      "note": "Added quantity.numerical and relation.association to components to align with definition. Definition was correct but record was missing constitutive concepts."
    }
  },
  "canonical": "https://emergencemachine.com/tools/lexicon/what-is-the-meaning-of-ratio.proportion"
}