5. Find x if 16, 20, x are in proportion.
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Answer:
x = 25
Step-by-step explanation:
16,20,x
1st term × 3rd term = 16 × x = 16x
Now, (2nd term) whole square = 20 square = 400
Therefore , 1st term × 3rd term = (2nd term) whole square
Therefore , 16x = 400
=> x = 400/16 = 25
Therefore , if 16 , 20 , x are in proportion , then value of x should be 25
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