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Finding the Third Proportional to 33,338.25 and 78,693.75

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Solution

The third proportional to 33,338.25 and 78,693.75 is: 185,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,338.25 : 78,693.75 = 78,693.75 : x
  2. Step 2: Convert to fraction form
    33,338.25/78,693.75 = 78,693.75/x
  3. Step 3: Cross multiply
    33,338.25x = 78,693.75 × 78,693.75
  4. Step 4: Simplify right side
    33,338.25x = 6,192,706,289.06
  5. Step 5: Solve for x
    x = 6,192,706,289.06/33,338.25
  6. Step 6: Final answer
    x = 185,753.79

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.