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Question

x,12,y,27 are in continued proportion find the positive value of x and y

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Solution

As they r in continued proportion
Then x/12=12/y=y/27
12/y=y/27
=y2=1227
=y2=324
=y=18
Then x/12=12/y
=xy=144
By putting value of y
x18=144
=x=144/18
=x=8

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