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Finding the Third Proportional to 168,439.50 and 247,732.88

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Solution

The third proportional to 168,439.50 and 247,732.88 is: 364,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439.50 : 247,732.88 = 247,732.88 : x
  2. Step 2: Convert to fraction form
    168,439.50/247,732.88 = 247,732.88/x
  3. Step 3: Cross multiply
    168,439.50x = 247,732.88 × 247,732.88
  4. Step 4: Simplify right side
    168,439.50x = 61,371,577,355.77
  5. Step 5: Solve for x
    x = 61,371,577,355.77/168,439.50
  6. Step 6: Final answer
    x = 364,353.83

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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.