Question

find the mean proportional between 3 and 12​

Answer 1

Let the mean proportional be x.

As it is mean proportional,

x² = 3 x 12

x² = 36

x = √36

x = 6

Thus, required mean proportional = 6

Answer 2

Answer:

Marian proportional = √ab

= √3(12)

= √36

= √6(6)

= 6

mean proportional between 3 and 12 is 6

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