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Finding the Third Proportional to 267,637.50 and 394,063.31

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Solution

The third proportional to 267,637.50 and 394,063.31 is: 580,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,637.50 : 394,063.31 = 394,063.31 : x
  2. Step 2: Convert to fraction form
    267,637.50/394,063.31 = 394,063.31/x
  3. Step 3: Cross multiply
    267,637.50x = 394,063.31 × 394,063.31
  4. Step 4: Simplify right side
    267,637.50x = 155,285,894,258.47
  5. Step 5: Solve for x
    x = 155,285,894,258.47/267,637.50
  6. Step 6: Final answer
    x = 580,209.78

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.