Question

root x/196=72/56,then x equals?​

Answer 1

√(x/196) = 72/56

√x/√196 = 72/56

√x/14 = 72/56

√x = 72*14/56 = 72/4 = 18

x = 18² = 324

Answer 2

$\sqrt{ \frac{x}{196 } } = \frac{72}{56}$

$\frac{ \sqrt{x} }{ \sqrt{196} } = \frac{72}{56}$

$\frac{ \sqrt{x} }{14} = \frac{72}{56}$

By cross multiplying

$\sqrt{x} = \frac{72 \times 14}{56}$

$\sqrt{x } = 18$

$x = {18}^{2}$

$x = 324$

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