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Finding the Third Proportional to 87,132 and 130,351.50

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Solution

The third proportional to 87,132 and 130,351.50 is: 195,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,132 : 130,351.50 = 130,351.50 : x
  2. Step 2: Convert to fraction form
    87,132/130,351.50 = 130,351.50/x
  3. Step 3: Cross multiply
    87,132x = 130,351.50 × 130,351.50
  4. Step 4: Simplify right side
    87,132x = 16,991,513,552.25
  5. Step 5: Solve for x
    x = 16,991,513,552.25/87,132
  6. Step 6: Final answer
    x = 195,008.88

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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.