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9 October, 14:10

Geometric mean between 28 and 14

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  1. 9 October, 14:38
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    Answer: 14√2 ≈ 19.8

    Set up the proportion. (1st #) / x = x / (2nd #)

    28/x = x/14

    Solve for x by cross-multiplying.

    28/x = x/14

    (x) (x) = (28) (14)

    x² = 392

    x = √392

    x = 14√2 ≈ 19.8
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