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Finding the Third Proportional to 124,787.25 and 187,120.13

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Solution

The third proportional to 124,787.25 and 187,120.13 is: 280,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,787.25 : 187,120.13 = 187,120.13 : x
  2. Step 2: Convert to fraction form
    124,787.25/187,120.13 = 187,120.13/x
  3. Step 3: Cross multiply
    124,787.25x = 187,120.13 × 187,120.13
  4. Step 4: Simplify right side
    124,787.25x = 35,013,941,180.02
  5. Step 5: Solve for x
    x = 35,013,941,180.02/124,787.25
  6. Step 6: Final answer
    x = 280,589.09

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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.