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Finding the Third Proportional to 100,885.50 and 222,000.75

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Solution

The third proportional to 100,885.50 and 222,000.75 is: 488,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,885.50 : 222,000.75 = 222,000.75 : x
  2. Step 2: Convert to fraction form
    100,885.50/222,000.75 = 222,000.75/x
  3. Step 3: Cross multiply
    100,885.50x = 222,000.75 × 222,000.75
  4. Step 4: Simplify right side
    100,885.50x = 49,284,333,000.56
  5. Step 5: Solve for x
    x = 49,284,333,000.56/100,885.50
  6. Step 6: Final answer
    x = 488,517.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.