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Finding the Third Proportional to 3,591,629 and 7,980,421

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Solution

The third proportional to 3,591,629 and 7,980,421 is: 17,732,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,629 : 7,980,421 = 7,980,421 : x
  2. Step 2: Convert to fraction form
    3,591,629/7,980,421 = 7,980,421/x
  3. Step 3: Cross multiply
    3,591,629x = 7,980,421 × 7,980,421
  4. Step 4: Simplify right side
    3,591,629x = 63,687,119,337,241
  5. Step 5: Solve for x
    x = 63,687,119,337,241/3,591,629
  6. Step 6: Final answer
    x = 17,732,098.54

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.