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Finding the Third Proportional to 18,514 and 39,235

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Solution

The third proportional to 18,514 and 39,235 is: 83,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514 : 39,235 = 39,235 : x
  2. Step 2: Convert to fraction form
    18,514/39,235 = 39,235/x
  3. Step 3: Cross multiply
    18,514x = 39,235 × 39,235
  4. Step 4: Simplify right side
    18,514x = 1,539,385,225
  5. Step 5: Solve for x
    x = 1,539,385,225/18,514
  6. Step 6: Final answer
    x = 83,147.09

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.