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Finding the Third Proportional to 393,963.75 and 600,787.13

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Solution

The third proportional to 393,963.75 and 600,787.13 is: 916,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,963.75 : 600,787.13 = 600,787.13 : x
  2. Step 2: Convert to fraction form
    393,963.75/600,787.13 = 600,787.13/x
  3. Step 3: Cross multiply
    393,963.75x = 600,787.13 × 600,787.13
  4. Step 4: Simplify right side
    393,963.75x = 360,945,169,565.77
  5. Step 5: Solve for x
    x = 360,945,169,565.77/393,963.75
  6. Step 6: Final answer
    x = 916,188.79

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.