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Finding the Third Proportional to 87,197.25 and 131,436.38

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Solution

The third proportional to 87,197.25 and 131,436.38 is: 198,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,197.25 : 131,436.38 = 131,436.38 : x
  2. Step 2: Convert to fraction form
    87,197.25/131,436.38 = 131,436.38/x
  3. Step 3: Cross multiply
    87,197.25x = 131,436.38 × 131,436.38
  4. Step 4: Simplify right side
    87,197.25x = 17,275,520,673.14
  5. Step 5: Solve for x
    x = 17,275,520,673.14/87,197.25
  6. Step 6: Final answer
    x = 198,120.02

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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.