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Finding the Third Proportional to 68,874,056 and 149,854,518

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Solution

The third proportional to 68,874,056 and 149,854,518 is: 326,049,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874,056 : 149,854,518 = 149,854,518 : x
  2. Step 2: Convert to fraction form
    68,874,056/149,854,518 = 149,854,518/x
  3. Step 3: Cross multiply
    68,874,056x = 149,854,518 × 149,854,518
  4. Step 4: Simplify right side
    68,874,056x = 22,456,376,565,012,324
  5. Step 5: Solve for x
    x = 22,456,376,565,012,324/68,874,056
  6. Step 6: Final answer
    x = 326,049,863.61

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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.