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Finding the Third Proportional to 3,853,379.25 and 8,469,495

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Solution

The third proportional to 3,853,379.25 and 8,469,495 is: 18,615,438.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853,379.25 : 8,469,495 = 8,469,495 : x
  2. Step 2: Convert to fraction form
    3,853,379.25/8,469,495 = 8,469,495/x
  3. Step 3: Cross multiply
    3,853,379.25x = 8,469,495 × 8,469,495
  4. Step 4: Simplify right side
    3,853,379.25x = 71,732,345,555,025
  5. Step 5: Solve for x
    x = 71,732,345,555,025/3,853,379.25
  6. Step 6: Final answer
    x = 18,615,438.79

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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.