Word.ws English Dictionary

cross-multiply

cross-multiply verb: to set the product of the extremes of a proportion equal to the product of its means.

Verb

cross-multiply (third-person singular simple present cross-multiplies, present participle cross-multiplying, simple past and past participle cross-multiplied)

  1. To set the product of the extremes of a proportion equal to the product of its means.
    • Cross-multiplying 3#47;5#61;x#47;2 yields 3#92;times2#61;5x.

Forms of cross-multiply

third-person singular presentcross-multiplies
present participlecross-multiplying
past participlecross-multiplied
pastcross-multiplied

Origin of cross-multiply

From cross- + multiply.

Questions about cross-multiply

What does cross-multiply mean?
Cross-multiply means to set the product of the extremes of a proportion equal to the product of its means.
What part of speech is cross-multiply?
Cross-multiply is a verb.
What is the past tense of cross-multiply?
The past tense of cross-multiply is cross-multiplied.

Words near cross-multiply in the dictionary

  1. cross-modal
  2. cross-multiplication
  3. cross-multiplications
  4. cross-multiplied
  5. cross-multiplies
  6. cross-multiply
  7. cross-multiplying
  8. cross-national
  9. cross-origin
  10. cross-over
  11. cross-overs

Source and license

Adapted from Wiktionary: cross-multiply (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “cross-multiply.” Word.ws, https://word.ws/cross-multiply. Based on Wiktionary, CC BY-SA 4.0.