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Finding the Third Proportional to 68,874,113 and 149,854,592

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Solution

The third proportional to 68,874,113 and 149,854,592 is: 326,049,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874,113 : 149,854,592 = 149,854,592 : x
  2. Step 2: Convert to fraction form
    68,874,113/149,854,592 = 149,854,592/x
  3. Step 3: Cross multiply
    68,874,113x = 149,854,592 × 149,854,592
  4. Step 4: Simplify right side
    68,874,113x = 22,456,398,743,486,464
  5. Step 5: Solve for x
    x = 22,456,398,743,486,464/68,874,113
  6. Step 6: Final answer
    x = 326,049,915.79

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.