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Finding the Third Proportional to 101.38 and 159.94

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Solution

The third proportional to 101.38 and 159.94 is: 252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.38 : 159.94 = 159.94 : x
  2. Step 2: Convert to fraction form
    101.38/159.94 = 159.94/x
  3. Step 3: Cross multiply
    101.38x = 159.94 × 159.94
  4. Step 4: Simplify right side
    101.38x = 25,580.00
  5. Step 5: Solve for x
    x = 25,580.00/101.38
  6. Step 6: Final answer
    x = 252.33

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.