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Finding the Third Proportional to 18,100 and 38,936

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Solution

The third proportional to 18,100 and 38,936 is: 83,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100 : 38,936 = 38,936 : x
  2. Step 2: Convert to fraction form
    18,100/38,936 = 38,936/x
  3. Step 3: Cross multiply
    18,100x = 38,936 × 38,936
  4. Step 4: Simplify right side
    18,100x = 1,516,012,096
  5. Step 5: Solve for x
    x = 1,516,012,096/18,100
  6. Step 6: Final answer
    x = 83,757.57

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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.