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Finding the Third Proportional to 18,667 and 40,343

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Solution

The third proportional to 18,667 and 40,343 is: 87,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667 : 40,343 = 40,343 : x
  2. Step 2: Convert to fraction form
    18,667/40,343 = 40,343/x
  3. Step 3: Cross multiply
    18,667x = 40,343 × 40,343
  4. Step 4: Simplify right side
    18,667x = 1,627,557,649
  5. Step 5: Solve for x
    x = 1,627,557,649/18,667
  6. Step 6: Final answer
    x = 87,189.03

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.