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Finding the Third Proportional to 81,605,018 and 179,241,493

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Solution

The third proportional to 81,605,018 and 179,241,493 is: 393,695,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,605,018 : 179,241,493 = 179,241,493 : x
  2. Step 2: Convert to fraction form
    81,605,018/179,241,493 = 179,241,493/x
  3. Step 3: Cross multiply
    81,605,018x = 179,241,493 × 179,241,493
  4. Step 4: Simplify right side
    81,605,018x = 32,127,512,812,869,048
  5. Step 5: Solve for x
    x = 32,127,512,812,869,048/81,605,018
  6. Step 6: Final answer
    x = 393,695,309.43

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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.