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Finding the Third Proportional to 136,815.50 and 204,672.75

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Solution

The third proportional to 136,815.50 and 204,672.75 is: 306,185.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,815.50 : 204,672.75 = 204,672.75 : x
  2. Step 2: Convert to fraction form
    136,815.50/204,672.75 = 204,672.75/x
  3. Step 3: Cross multiply
    136,815.50x = 204,672.75 × 204,672.75
  4. Step 4: Simplify right side
    136,815.50x = 41,890,934,592.56
  5. Step 5: Solve for x
    x = 41,890,934,592.56/136,815.50
  6. Step 6: Final answer
    x = 306,185.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.