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Finding the Third Proportional to 39,237,446 and 84,471,661

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Solution

The third proportional to 39,237,446 and 84,471,661 is: 181,853,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237,446 : 84,471,661 = 84,471,661 : x
  2. Step 2: Convert to fraction form
    39,237,446/84,471,661 = 84,471,661/x
  3. Step 3: Cross multiply
    39,237,446x = 84,471,661 × 84,471,661
  4. Step 4: Simplify right side
    39,237,446x = 7,135,461,512,098,921
  5. Step 5: Solve for x
    x = 7,135,461,512,098,921/39,237,446
  6. Step 6: Final answer
    x = 181,853,363.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.