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Finding the Third Proportional to 87,625.13 and 131,289.19

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Solution

The third proportional to 87,625.13 and 131,289.19 is: 196,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.13 : 131,289.19 = 131,289.19 : x
  2. Step 2: Convert to fraction form
    87,625.13/131,289.19 = 131,289.19/x
  3. Step 3: Cross multiply
    87,625.13x = 131,289.19 × 131,289.19
  4. Step 4: Simplify right side
    87,625.13x = 17,236,850,754.41
  5. Step 5: Solve for x
    x = 17,236,850,754.41/87,625.13
  6. Step 6: Final answer
    x = 196,711.28

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.