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Finding the Third Proportional to 18,288 and 27,045

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Solution

The third proportional to 18,288 and 27,045 is: 39,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288 : 27,045 = 27,045 : x
  2. Step 2: Convert to fraction form
    18,288/27,045 = 27,045/x
  3. Step 3: Cross multiply
    18,288x = 27,045 × 27,045
  4. Step 4: Simplify right side
    18,288x = 731,432,025
  5. Step 5: Solve for x
    x = 731,432,025/18,288
  6. Step 6: Final answer
    x = 39,995.19

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.