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Finding the Third Proportional to 87,775.50 and 131,471.25

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Solution

The third proportional to 87,775.50 and 131,471.25 is: 196,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,775.50 : 131,471.25 = 131,471.25 : x
  2. Step 2: Convert to fraction form
    87,775.50/131,471.25 = 131,471.25/x
  3. Step 3: Cross multiply
    87,775.50x = 131,471.25 × 131,471.25
  4. Step 4: Simplify right side
    87,775.50x = 17,284,689,576.56
  5. Step 5: Solve for x
    x = 17,284,689,576.56/87,775.50
  6. Step 6: Final answer
    x = 196,919.29

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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.