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Finding the Third Proportional to 87,668 and 124,048

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Solution

The third proportional to 87,668 and 124,048 is: 175,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,668 : 124,048 = 124,048 : x
  2. Step 2: Convert to fraction form
    87,668/124,048 = 124,048/x
  3. Step 3: Cross multiply
    87,668x = 124,048 × 124,048
  4. Step 4: Simplify right side
    87,668x = 15,387,906,304
  5. Step 5: Solve for x
    x = 15,387,906,304/87,668
  6. Step 6: Final answer
    x = 175,524.78

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.