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Finding the Third Proportional to 10,851.50 and 22,279

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Solution

The third proportional to 10,851.50 and 22,279 is: 45,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.50 : 22,279 = 22,279 : x
  2. Step 2: Convert to fraction form
    10,851.50/22,279 = 22,279/x
  3. Step 3: Cross multiply
    10,851.50x = 22,279 × 22,279
  4. Step 4: Simplify right side
    10,851.50x = 496,353,841
  5. Step 5: Solve for x
    x = 496,353,841/10,851.50
  6. Step 6: Final answer
    x = 45,740.57

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.