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Finding the Third Proportional to 18,920,268 and 29,231,496

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Solution

The third proportional to 18,920,268 and 29,231,496 is: 45,162,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920,268 : 29,231,496 = 29,231,496 : x
  2. Step 2: Convert to fraction form
    18,920,268/29,231,496 = 29,231,496/x
  3. Step 3: Cross multiply
    18,920,268x = 29,231,496 × 29,231,496
  4. Step 4: Simplify right side
    18,920,268x = 854,480,358,398,016
  5. Step 5: Solve for x
    x = 854,480,358,398,016/18,920,268
  6. Step 6: Final answer
    x = 45,162,169.92

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.