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Finding the Third Proportional to 198,361.50 and 297,540.75

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Solution

The third proportional to 198,361.50 and 297,540.75 is: 446,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,361.50 : 297,540.75 = 297,540.75 : x
  2. Step 2: Convert to fraction form
    198,361.50/297,540.75 = 297,540.75/x
  3. Step 3: Cross multiply
    198,361.50x = 297,540.75 × 297,540.75
  4. Step 4: Simplify right side
    198,361.50x = 88,530,497,910.56
  5. Step 5: Solve for x
    x = 88,530,497,910.56/198,361.50
  6. Step 6: Final answer
    x = 446,308.88

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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.