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Finding the Third Proportional to 18,649 and 36,353

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Solution

The third proportional to 18,649 and 36,353 is: 70,863.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649 : 36,353 = 36,353 : x
  2. Step 2: Convert to fraction form
    18,649/36,353 = 36,353/x
  3. Step 3: Cross multiply
    18,649x = 36,353 × 36,353
  4. Step 4: Simplify right side
    18,649x = 1,321,540,609
  5. Step 5: Solve for x
    x = 1,321,540,609/18,649
  6. Step 6: Final answer
    x = 70,863.89

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.