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Finding the Third Proportional to 100,170 and 140,049

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Solution

The third proportional to 100,170 and 140,049 is: 195,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,170 : 140,049 = 140,049 : x
  2. Step 2: Convert to fraction form
    100,170/140,049 = 140,049/x
  3. Step 3: Cross multiply
    100,170x = 140,049 × 140,049
  4. Step 4: Simplify right side
    100,170x = 19,613,722,401
  5. Step 5: Solve for x
    x = 19,613,722,401/100,170
  6. Step 6: Final answer
    x = 195,804.36

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.