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Finding the Third Proportional to 198,552 and 299,657

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Solution

The third proportional to 198,552 and 299,657 is: 452,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,552 : 299,657 = 299,657 : x
  2. Step 2: Convert to fraction form
    198,552/299,657 = 299,657/x
  3. Step 3: Cross multiply
    198,552x = 299,657 × 299,657
  4. Step 4: Simplify right side
    198,552x = 89,794,317,649
  5. Step 5: Solve for x
    x = 89,794,317,649/198,552
  6. Step 6: Final answer
    x = 452,245.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.