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Finding the Third Proportional to 68,874,111 and 149,854,587.75

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Solution

The third proportional to 68,874,111 and 149,854,587.75 is: 326,049,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874,111 : 149,854,587.75 = 149,854,587.75 : x
  2. Step 2: Convert to fraction form
    68,874,111/149,854,587.75 = 149,854,587.75/x
  3. Step 3: Cross multiply
    68,874,111x = 149,854,587.75 × 149,854,587.75
  4. Step 4: Simplify right side
    68,874,111x = 22,456,397,469,722,452
  5. Step 5: Solve for x
    x = 22,456,397,469,722,452/68,874,111
  6. Step 6: Final answer
    x = 326,049,906.76

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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.