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Finding the Third Proportional to 13,744 and 20,810

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Solution

The third proportional to 13,744 and 20,810 is: 31,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744 : 20,810 = 20,810 : x
  2. Step 2: Convert to fraction form
    13,744/20,810 = 20,810/x
  3. Step 3: Cross multiply
    13,744x = 20,810 × 20,810
  4. Step 4: Simplify right side
    13,744x = 433,056,100
  5. Step 5: Solve for x
    x = 433,056,100/13,744
  6. Step 6: Final answer
    x = 31,508.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.