If in a proportion, the first, second and fourth terms are 32, 112 and 217 respectively, find the third term
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Answer:
Given,
A proportion = 32:112::_:217
First term = 32
Second term = 112
Third term = x
Fourth term = 217
Find x
1st term × 2nd term = 3rd term × 4th term
Substitute
32 × 112 = x × 217
3584 = 217x
3584 ÷ 217 = x
x = 16.516129032
Verification
32 × 112 = 16.516129032 × 217
3584 = 3584
Hence, verified
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