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First you have to set up a proprtion. 45 over x equals x over 5. Then you get x squared equals 225(45*5). Finally you have to find the square root of 225 which is 15.

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13y ago
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7y ago

√5 * √45 = 2.236067977 x 6.708203932 = 15

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Q: What is the geometric mean of 45 and 5?
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