Question

find the x in following proportion=169:x::x:1​

Answer 1

Answer:

x = 13

Step-by-step explanation:

Product of extremes = product of means

Product of extremes = 169 × 1

Product of means = x^2

∴ $169*1=x^{2}$

⇒ $169 = x^{2}$

⇒ $x=\sqrt{169} = 13$

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Answer 2

Answer:

x= 13

Step-by-step explanation:

169:x::x:1 =

$\frac{169}{x} = \frac{x}{1}$

By Cross Multiplication Method-

169= x²

√169= x

13= x

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