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Finding the Third Proportional to 20,893.50 and 31,344.75

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Solution

The third proportional to 20,893.50 and 31,344.75 is: 47,023.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.50 : 31,344.75 = 31,344.75 : x
  2. Step 2: Convert to fraction form
    20,893.50/31,344.75 = 31,344.75/x
  3. Step 3: Cross multiply
    20,893.50x = 31,344.75 × 31,344.75
  4. Step 4: Simplify right side
    20,893.50x = 982,493,352.56
  5. Step 5: Solve for x
    x = 982,493,352.56/20,893.50
  6. Step 6: Final answer
    x = 47,023.88

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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.