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Finding the Third Proportional to 17,956 and 38,558

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Solution

The third proportional to 17,956 and 38,558 is: 82,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,956 : 38,558 = 38,558 : x
  2. Step 2: Convert to fraction form
    17,956/38,558 = 38,558/x
  3. Step 3: Cross multiply
    17,956x = 38,558 × 38,558
  4. Step 4: Simplify right side
    17,956x = 1,486,719,364
  5. Step 5: Solve for x
    x = 1,486,719,364/17,956
  6. Step 6: Final answer
    x = 82,797.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.