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Step-by-step Answer
PAGE: 435SET: ExercisesPROBLEM: 2
Please look in your text book for this problem Statement

Geometric mean is positive number x of two positive numbers where the proportion

a : x = x : b is true.

The proportion can be written as fraction  .

Find geometric mean of 36 and 49.

Write the proportion from the definition of geometric mean.

             (Apply cross products property)

                (Multiply: )

              (Take the positive square root of each side)

                      ()

The geometric mean of 36 and 49 is 42.



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