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Finding the Third Proportional to 87,528 and 132,336

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Solution

The third proportional to 87,528 and 132,336 is: 200,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,528 : 132,336 = 132,336 : x
  2. Step 2: Convert to fraction form
    87,528/132,336 = 132,336/x
  3. Step 3: Cross multiply
    87,528x = 132,336 × 132,336
  4. Step 4: Simplify right side
    87,528x = 17,512,816,896
  5. Step 5: Solve for x
    x = 17,512,816,896/87,528
  6. Step 6: Final answer
    x = 200,082.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.