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Finding the Third Proportional to 389,545.88 and 608,922.56

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Solution

The third proportional to 389,545.88 and 608,922.56 is: 951,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,545.88 : 608,922.56 = 608,922.56 : x
  2. Step 2: Convert to fraction form
    389,545.88/608,922.56 = 608,922.56/x
  3. Step 3: Cross multiply
    389,545.88x = 608,922.56 × 608,922.56
  4. Step 4: Simplify right side
    389,545.88x = 370,786,687,121.57
  5. Step 5: Solve for x
    x = 370,786,687,121.57/389,545.88
  6. Step 6: Final answer
    x = 951,843.44

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.