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Finding the Third Proportional to 408,073 and 888,424

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Solution

The third proportional to 408,073 and 888,424 is: 1,934,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,073 : 888,424 = 888,424 : x
  2. Step 2: Convert to fraction form
    408,073/888,424 = 888,424/x
  3. Step 3: Cross multiply
    408,073x = 888,424 × 888,424
  4. Step 4: Simplify right side
    408,073x = 789,297,203,776
  5. Step 5: Solve for x
    x = 789,297,203,776/408,073
  6. Step 6: Final answer
    x = 1,934,205.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.