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Finding the Third Proportional to 18,057 and 38,085

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Solution

The third proportional to 18,057 and 38,085 is: 80,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057 : 38,085 = 38,085 : x
  2. Step 2: Convert to fraction form
    18,057/38,085 = 38,085/x
  3. Step 3: Cross multiply
    18,057x = 38,085 × 38,085
  4. Step 4: Simplify right side
    18,057x = 1,450,467,225
  5. Step 5: Solve for x
    x = 1,450,467,225/18,057
  6. Step 6: Final answer
    x = 80,327.14

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.