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Finding the Third Proportional to 68,874,112 and 149,854,594

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Solution

The third proportional to 68,874,112 and 149,854,594 is: 326,049,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874,112 : 149,854,594 = 149,854,594 : x
  2. Step 2: Convert to fraction form
    68,874,112/149,854,594 = 149,854,594/x
  3. Step 3: Cross multiply
    68,874,112x = 149,854,594 × 149,854,594
  4. Step 4: Simplify right side
    68,874,112x = 22,456,399,342,904,836
  5. Step 5: Solve for x
    x = 22,456,399,342,904,836/68,874,112
  6. Step 6: Final answer
    x = 326,049,929.22

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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.