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Finding the Third Proportional to 68,874,150.19 and 149,854,659.38

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Solution

The third proportional to 68,874,150.19 and 149,854,659.38 is: 326,050,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874,150.19 : 149,854,659.38 = 149,854,659.38 : x
  2. Step 2: Convert to fraction form
    68,874,150.19/149,854,659.38 = 149,854,659.38/x
  3. Step 3: Cross multiply
    68,874,150.19x = 149,854,659.38 × 149,854,659.38
  4. Step 4: Simplify right side
    68,874,150.19x = 22,456,418,936,397,276
  5. Step 5: Solve for x
    x = 22,456,418,936,397,276/68,874,150.19
  6. Step 6: Final answer
    x = 326,050,032.93

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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.