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Finding the Third Proportional to 8,751.80 and 13,452.12

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Solution

The third proportional to 8,751.80 and 13,452.12 is: 20,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.80 : 13,452.12 = 13,452.12 : x
  2. Step 2: Convert to fraction form
    8,751.80/13,452.12 = 13,452.12/x
  3. Step 3: Cross multiply
    8,751.80x = 13,452.12 × 13,452.12
  4. Step 4: Simplify right side
    8,751.80x = 180,959,456.83
  5. Step 5: Solve for x
    x = 180,959,456.83/8,751.80
  6. Step 6: Final answer
    x = 20,676.83

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.