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Finding the Third Proportional to 87,650 and 131,324

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Solution

The third proportional to 87,650 and 131,324 is: 196,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,650 : 131,324 = 131,324 : x
  2. Step 2: Convert to fraction form
    87,650/131,324 = 131,324/x
  3. Step 3: Cross multiply
    87,650x = 131,324 × 131,324
  4. Step 4: Simplify right side
    87,650x = 17,245,992,976
  5. Step 5: Solve for x
    x = 17,245,992,976/87,650
  6. Step 6: Final answer
    x = 196,759.76

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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.