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Finding the Third Proportional to 87,530 and 131,262

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Solution

The third proportional to 87,530 and 131,262 is: 196,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,530 : 131,262 = 131,262 : x
  2. Step 2: Convert to fraction form
    87,530/131,262 = 131,262/x
  3. Step 3: Cross multiply
    87,530x = 131,262 × 131,262
  4. Step 4: Simplify right side
    87,530x = 17,229,712,644
  5. Step 5: Solve for x
    x = 17,229,712,644/87,530
  6. Step 6: Final answer
    x = 196,843.51

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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.