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Finding the Third Proportional to 18,396,828 and 38,700,504

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Solution

The third proportional to 18,396,828 and 38,700,504 is: 81,412,350.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396,828 : 38,700,504 = 38,700,504 : x
  2. Step 2: Convert to fraction form
    18,396,828/38,700,504 = 38,700,504/x
  3. Step 3: Cross multiply
    18,396,828x = 38,700,504 × 38,700,504
  4. Step 4: Simplify right side
    18,396,828x = 1,497,729,009,854,016
  5. Step 5: Solve for x
    x = 1,497,729,009,854,016/18,396,828
  6. Step 6: Final answer
    x = 81,412,350.53

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.