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Finding the Third Proportional to 87,510 and 132,067

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Solution

The third proportional to 87,510 and 132,067 is: 199,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,510 : 132,067 = 132,067 : x
  2. Step 2: Convert to fraction form
    87,510/132,067 = 132,067/x
  3. Step 3: Cross multiply
    87,510x = 132,067 × 132,067
  4. Step 4: Simplify right side
    87,510x = 17,441,692,489
  5. Step 5: Solve for x
    x = 17,441,692,489/87,510
  6. Step 6: Final answer
    x = 199,310.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.