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Ratio - Meaning, Definition & English Examples

A ratio compares two quantities by division, showing how much of one thing exists relative to another. It is often written as two numbers separated by a colon, like 3:1.

ratio

/ˈreɪʃoʊ/ /ˈreɪʃɪəʊ/

Definition:

The quantitative relation between two amounts showing how many times one contains the other.

Synonyms:

proportion, rate, percentage, fraction

Part of Speech:

noun

Antonyms:

imbalance, disproportion

Common Collocations:

high ratio, low ratio, ratio analysis, debt-to-equity ratio

Derivatives:

ratiocination, rational

Usage Tips:

Use "ratio" to compare quantities mathematically or metaphorically in discussions like finance or social media engagement.

Common Phrases:

golden ratio, aspect ratio, win-loss ratio

Etymology:

From Latin "ratio" meaning "reckoning, reason," derived from "ratus," past participle of "reri" (to think).

Examples:

  • 1. The ratio of boys to girls in the class is 2:1.
  • 2. A higher teacher-to-student ratio improves learning outcomes.
  • 3. The golden ratio appears often in nature and art.
  • 4. Mix the ingredients in a 3:1 ratio for best results.

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