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Finding the Third Proportional to 198,251.50 and 297,438

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Solution

The third proportional to 198,251.50 and 297,438 is: 446,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,251.50 : 297,438 = 297,438 : x
  2. Step 2: Convert to fraction form
    198,251.50/297,438 = 297,438/x
  3. Step 3: Cross multiply
    198,251.50x = 297,438 × 297,438
  4. Step 4: Simplify right side
    198,251.50x = 88,469,363,844
  5. Step 5: Solve for x
    x = 88,469,363,844/198,251.50
  6. Step 6: Final answer
    x = 446,248.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.