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Finding the Third Proportional to 33,770.75 and 78,179.75

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Solution

The third proportional to 33,770.75 and 78,179.75 is: 180,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,770.75 : 78,179.75 = 78,179.75 : x
  2. Step 2: Convert to fraction form
    33,770.75/78,179.75 = 78,179.75/x
  3. Step 3: Cross multiply
    33,770.75x = 78,179.75 × 78,179.75
  4. Step 4: Simplify right side
    33,770.75x = 6,112,073,310.06
  5. Step 5: Solve for x
    x = 6,112,073,310.06/33,770.75
  6. Step 6: Final answer
    x = 180,987.19

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.