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Finding the Third Proportional to 100,026 and 140,683

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Solution

The third proportional to 100,026 and 140,683 is: 197,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,026 : 140,683 = 140,683 : x
  2. Step 2: Convert to fraction form
    100,026/140,683 = 140,683/x
  3. Step 3: Cross multiply
    100,026x = 140,683 × 140,683
  4. Step 4: Simplify right side
    100,026x = 19,791,706,489
  5. Step 5: Solve for x
    x = 19,791,706,489/100,026
  6. Step 6: Final answer
    x = 197,865.62

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.