Home / 8,478,938.25-18,394,188.75

Finding the Third Proportional to 8,478,938.25 and 18,394,188.75

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Solution

The third proportional to 8,478,938.25 and 18,394,188.75 is: 39,904,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,938.25 : 18,394,188.75 = 18,394,188.75 : x
  2. Step 2: Convert to fraction form
    8,478,938.25/18,394,188.75 = 18,394,188.75/x
  3. Step 3: Cross multiply
    8,478,938.25x = 18,394,188.75 × 18,394,188.75
  4. Step 4: Simplify right side
    8,478,938.25x = 338,346,179,770,626.56
  5. Step 5: Solve for x
    x = 338,346,179,770,626.56/8,478,938.25
  6. Step 6: Final answer
    x = 39,904,309.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.