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Finding the Third Proportional to 187,437 and 267,132

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Solution

The third proportional to 187,437 and 267,132 is: 380,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,437 : 267,132 = 267,132 : x
  2. Step 2: Convert to fraction form
    187,437/267,132 = 267,132/x
  3. Step 3: Cross multiply
    187,437x = 267,132 × 267,132
  4. Step 4: Simplify right side
    187,437x = 71,359,505,424
  5. Step 5: Solve for x
    x = 71,359,505,424/187,437
  6. Step 6: Final answer
    x = 380,711.95

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.