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Finding the Third Proportional to 677,446.88 and 1,487,737.13

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Solution

The third proportional to 677,446.88 and 1,487,737.13 is: 3,267,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,446.88 : 1,487,737.13 = 1,487,737.13 : x
  2. Step 2: Convert to fraction form
    677,446.88/1,487,737.13 = 1,487,737.13/x
  3. Step 3: Cross multiply
    677,446.88x = 1,487,737.13 × 1,487,737.13
  4. Step 4: Simplify right side
    677,446.88x = 2,213,361,753,103.27
  5. Step 5: Solve for x
    x = 2,213,361,753,103.27/677,446.88
  6. Step 6: Final answer
    x = 3,267,210.81

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.