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Finding the Third Proportional to 486,067.50 and 667,487.25

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Solution

The third proportional to 486,067.50 and 667,487.25 is: 916,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,067.50 : 667,487.25 = 667,487.25 : x
  2. Step 2: Convert to fraction form
    486,067.50/667,487.25 = 667,487.25/x
  3. Step 3: Cross multiply
    486,067.50x = 667,487.25 × 667,487.25
  4. Step 4: Simplify right side
    486,067.50x = 445,539,228,912.56
  5. Step 5: Solve for x
    x = 445,539,228,912.56/486,067.50
  6. Step 6: Final answer
    x = 916,620.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.