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Finding the Third Proportional to 87,711.75 and 136,701.56

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Solution

The third proportional to 87,711.75 and 136,701.56 is: 213,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,711.75 : 136,701.56 = 136,701.56 : x
  2. Step 2: Convert to fraction form
    87,711.75/136,701.56 = 136,701.56/x
  3. Step 3: Cross multiply
    87,711.75x = 136,701.56 × 136,701.56
  4. Step 4: Simplify right side
    87,711.75x = 18,687,317,189.94
  5. Step 5: Solve for x
    x = 18,687,317,189.94/87,711.75
  6. Step 6: Final answer
    x = 213,053.75

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.