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Finding the Third Proportional to 87,627 and 131,292

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Solution

The third proportional to 87,627 and 131,292 is: 196,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627 : 131,292 = 131,292 : x
  2. Step 2: Convert to fraction form
    87,627/131,292 = 131,292/x
  3. Step 3: Cross multiply
    87,627x = 131,292 × 131,292
  4. Step 4: Simplify right side
    87,627x = 17,237,589,264
  5. Step 5: Solve for x
    x = 17,237,589,264/87,627
  6. Step 6: Final answer
    x = 196,715.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.