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Finding the Third Proportional to 6,481.13 and 11,629.13

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Solution

The third proportional to 6,481.13 and 11,629.13 is: 20,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.13 : 11,629.13 = 11,629.13 : x
  2. Step 2: Convert to fraction form
    6,481.13/11,629.13 = 11,629.13/x
  3. Step 3: Cross multiply
    6,481.13x = 11,629.13 × 11,629.13
  4. Step 4: Simplify right side
    6,481.13x = 135,236,548.27
  5. Step 5: Solve for x
    x = 135,236,548.27/6,481.13
  6. Step 6: Final answer
    x = 20,866.22

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.