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Finding the Third Proportional to 68,062,551 and 149,350,107

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Solution

The third proportional to 68,062,551 and 149,350,107 is: 327,719,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,062,551 : 149,350,107 = 149,350,107 : x
  2. Step 2: Convert to fraction form
    68,062,551/149,350,107 = 149,350,107/x
  3. Step 3: Cross multiply
    68,062,551x = 149,350,107 × 149,350,107
  4. Step 4: Simplify right side
    68,062,551x = 22,305,454,460,911,448
  5. Step 5: Solve for x
    x = 22,305,454,460,911,448/68,062,551
  6. Step 6: Final answer
    x = 327,719,930.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.