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Finding the Third Proportional to 100,765.50 and 219,675

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Solution

The third proportional to 100,765.50 and 219,675 is: 478,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,765.50 : 219,675 = 219,675 : x
  2. Step 2: Convert to fraction form
    100,765.50/219,675 = 219,675/x
  3. Step 3: Cross multiply
    100,765.50x = 219,675 × 219,675
  4. Step 4: Simplify right side
    100,765.50x = 48,257,105,625
  5. Step 5: Solve for x
    x = 48,257,105,625/100,765.50
  6. Step 6: Final answer
    x = 478,905.04

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.