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Finding the Third Proportional to 10,779 and 15,793

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Solution

The third proportional to 10,779 and 15,793 is: 23,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779 : 15,793 = 15,793 : x
  2. Step 2: Convert to fraction form
    10,779/15,793 = 15,793/x
  3. Step 3: Cross multiply
    10,779x = 15,793 × 15,793
  4. Step 4: Simplify right side
    10,779x = 249,418,849
  5. Step 5: Solve for x
    x = 249,418,849/10,779
  6. Step 6: Final answer
    x = 23,139.33

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.