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Finding the Third Proportional to 18,339 and 39,597

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Solution

The third proportional to 18,339 and 39,597 is: 85,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339 : 39,597 = 39,597 : x
  2. Step 2: Convert to fraction form
    18,339/39,597 = 39,597/x
  3. Step 3: Cross multiply
    18,339x = 39,597 × 39,597
  4. Step 4: Simplify right side
    18,339x = 1,567,922,409
  5. Step 5: Solve for x
    x = 1,567,922,409/18,339
  6. Step 6: Final answer
    x = 85,496.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.