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Finding the Third Proportional to 108,168,126 and 220,158,981

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Solution

The third proportional to 108,168,126 and 220,158,981 is: 448,098,517.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,168,126 : 220,158,981 = 220,158,981 : x
  2. Step 2: Convert to fraction form
    108,168,126/220,158,981 = 220,158,981/x
  3. Step 3: Cross multiply
    108,168,126x = 220,158,981 × 220,158,981
  4. Step 4: Simplify right side
    108,168,126x = 48,469,976,914,958,360
  5. Step 5: Solve for x
    x = 48,469,976,914,958,360/108,168,126
  6. Step 6: Final answer
    x = 448,098,517.63

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.