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Finding the Third Proportional to 18,089 and 39,277

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Solution

The third proportional to 18,089 and 39,277 is: 85,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089 : 39,277 = 39,277 : x
  2. Step 2: Convert to fraction form
    18,089/39,277 = 39,277/x
  3. Step 3: Cross multiply
    18,089x = 39,277 × 39,277
  4. Step 4: Simplify right side
    18,089x = 1,542,682,729
  5. Step 5: Solve for x
    x = 1,542,682,729/18,089
  6. Step 6: Final answer
    x = 85,282.92

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.