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Finding the Third Proportional to 87,671 and 125,360

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Solution

The third proportional to 87,671 and 125,360 is: 179,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,671 : 125,360 = 125,360 : x
  2. Step 2: Convert to fraction form
    87,671/125,360 = 125,360/x
  3. Step 3: Cross multiply
    87,671x = 125,360 × 125,360
  4. Step 4: Simplify right side
    87,671x = 15,715,129,600
  5. Step 5: Solve for x
    x = 15,715,129,600/87,671
  6. Step 6: Final answer
    x = 179,251.17

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.