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Finding the Third Proportional to 68.31 and 101.44

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Solution

The third proportional to 68.31 and 101.44 is: 150.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68.31 : 101.44 = 101.44 : x
  2. Step 2: Convert to fraction form
    68.31/101.44 = 101.44/x
  3. Step 3: Cross multiply
    68.31x = 101.44 × 101.44
  4. Step 4: Simplify right side
    68.31x = 10,289.57
  5. Step 5: Solve for x
    x = 10,289.57/68.31
  6. Step 6: Final answer
    x = 150.62

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.