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Finding the Third Proportional to 275,819,456 and 411,337,331

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Solution

The third proportional to 275,819,456 and 411,337,331 is: 613,438,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,819,456 : 411,337,331 = 411,337,331 : x
  2. Step 2: Convert to fraction form
    275,819,456/411,337,331 = 411,337,331/x
  3. Step 3: Cross multiply
    275,819,456x = 411,337,331 × 411,337,331
  4. Step 4: Simplify right side
    275,819,456x = 169,198,399,874,203,552
  5. Step 5: Solve for x
    x = 169,198,399,874,203,552/275,819,456
  6. Step 6: Final answer
    x = 613,438,958.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.