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Finding the Third Proportional to 198,781.50 and 441,664.50

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Solution

The third proportional to 198,781.50 and 441,664.50 is: 981,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,781.50 : 441,664.50 = 441,664.50 : x
  2. Step 2: Convert to fraction form
    198,781.50/441,664.50 = 441,664.50/x
  3. Step 3: Cross multiply
    198,781.50x = 441,664.50 × 441,664.50
  4. Step 4: Simplify right side
    198,781.50x = 195,067,530,560.25
  5. Step 5: Solve for x
    x = 195,067,530,560.25/198,781.50
  6. Step 6: Final answer
    x = 981,316.32

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.