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Finding the Third Proportional to 4,318,809 and 9,451,186

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Solution

The third proportional to 4,318,809 and 9,451,186 is: 20,682,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318,809 : 9,451,186 = 9,451,186 : x
  2. Step 2: Convert to fraction form
    4,318,809/9,451,186 = 9,451,186/x
  3. Step 3: Cross multiply
    4,318,809x = 9,451,186 × 9,451,186
  4. Step 4: Simplify right side
    4,318,809x = 89,324,916,806,596
  5. Step 5: Solve for x
    x = 89,324,916,806,596/4,318,809
  6. Step 6: Final answer
    x = 20,682,766.20

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.