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Finding the Third Proportional to 8,974.50 and 20,962

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Solution

The third proportional to 8,974.50 and 20,962 is: 48,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.50 : 20,962 = 20,962 : x
  2. Step 2: Convert to fraction form
    8,974.50/20,962 = 20,962/x
  3. Step 3: Cross multiply
    8,974.50x = 20,962 × 20,962
  4. Step 4: Simplify right side
    8,974.50x = 439,405,444
  5. Step 5: Solve for x
    x = 439,405,444/8,974.50
  6. Step 6: Final answer
    x = 48,961.55

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.