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Finding the Third Proportional to 87,489.75 and 131,204.44

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Solution

The third proportional to 87,489.75 and 131,204.44 is: 196,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,489.75 : 131,204.44 = 131,204.44 : x
  2. Step 2: Convert to fraction form
    87,489.75/131,204.44 = 131,204.44/x
  3. Step 3: Cross multiply
    87,489.75x = 131,204.44 × 131,204.44
  4. Step 4: Simplify right side
    87,489.75x = 17,214,604,419.69
  5. Step 5: Solve for x
    x = 17,214,604,419.69/87,489.75
  6. Step 6: Final answer
    x = 196,761.39

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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.