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Finding the Third Proportional to 62,387.72 and 135,283.92

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Solution

The third proportional to 62,387.72 and 135,283.92 is: 293,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,387.72 : 135,283.92 = 135,283.92 : x
  2. Step 2: Convert to fraction form
    62,387.72/135,283.92 = 135,283.92/x
  3. Step 3: Cross multiply
    62,387.72x = 135,283.92 × 135,283.92
  4. Step 4: Simplify right side
    62,387.72x = 18,301,739,517.88
  5. Step 5: Solve for x
    x = 18,301,739,517.88/62,387.72
  6. Step 6: Final answer
    x = 293,354.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.