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Finding the Third Proportional to 18,080 and 39,373

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Solution

The third proportional to 18,080 and 39,373 is: 85,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080 : 39,373 = 39,373 : x
  2. Step 2: Convert to fraction form
    18,080/39,373 = 39,373/x
  3. Step 3: Cross multiply
    18,080x = 39,373 × 39,373
  4. Step 4: Simplify right side
    18,080x = 1,550,233,129
  5. Step 5: Solve for x
    x = 1,550,233,129/18,080
  6. Step 6: Final answer
    x = 85,742.98

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.