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Finding the Third Proportional to 20,396 and 27,448

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Solution

The third proportional to 20,396 and 27,448 is: 36,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,396 : 27,448 = 27,448 : x
  2. Step 2: Convert to fraction form
    20,396/27,448 = 27,448/x
  3. Step 3: Cross multiply
    20,396x = 27,448 × 27,448
  4. Step 4: Simplify right side
    20,396x = 753,392,704
  5. Step 5: Solve for x
    x = 753,392,704/20,396
  6. Step 6: Final answer
    x = 36,938.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.