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Finding the Third Proportional to 4,779 and 10,481.27

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Solution

The third proportional to 4,779 and 10,481.27 is: 22,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779 : 10,481.27 = 10,481.27 : x
  2. Step 2: Convert to fraction form
    4,779/10,481.27 = 10,481.27/x
  3. Step 3: Cross multiply
    4,779x = 10,481.27 × 10,481.27
  4. Step 4: Simplify right side
    4,779x = 109,857,092.87
  5. Step 5: Solve for x
    x = 109,857,092.87/4,779
  6. Step 6: Final answer
    x = 22,987.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.