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Finding the Third Proportional to 18,179,438.50 and 40,394,454.50

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Solution

The third proportional to 18,179,438.50 and 40,394,454.50 is: 89,755,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179,438.50 : 40,394,454.50 = 40,394,454.50 : x
  2. Step 2: Convert to fraction form
    18,179,438.50/40,394,454.50 = 40,394,454.50/x
  3. Step 3: Cross multiply
    18,179,438.50x = 40,394,454.50 × 40,394,454.50
  4. Step 4: Simplify right side
    18,179,438.50x = 1,631,711,954,352,570.25
  5. Step 5: Solve for x
    x = 1,631,711,954,352,570.25/18,179,438.50
  6. Step 6: Final answer
    x = 89,755,904.97

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.