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Finding the Third Proportional to 87,272 and 132,528

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Solution

The third proportional to 87,272 and 132,528 is: 201,252.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,272 : 132,528 = 132,528 : x
  2. Step 2: Convert to fraction form
    87,272/132,528 = 132,528/x
  3. Step 3: Cross multiply
    87,272x = 132,528 × 132,528
  4. Step 4: Simplify right side
    87,272x = 17,563,670,784
  5. Step 5: Solve for x
    x = 17,563,670,784/87,272
  6. Step 6: Final answer
    x = 201,252.07

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.