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Finding the Third Proportional to 204,211.13 and 395,847

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Solution

The third proportional to 204,211.13 and 395,847 is: 767,317.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,211.13 : 395,847 = 395,847 : x
  2. Step 2: Convert to fraction form
    204,211.13/395,847 = 395,847/x
  3. Step 3: Cross multiply
    204,211.13x = 395,847 × 395,847
  4. Step 4: Simplify right side
    204,211.13x = 156,694,847,409
  5. Step 5: Solve for x
    x = 156,694,847,409/204,211.13
  6. Step 6: Final answer
    x = 767,317.88

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.