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Finding the Third Proportional to 125.75 and 141.44

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Solution

The third proportional to 125.75 and 141.44 is: 159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.75 : 141.44 = 141.44 : x
  2. Step 2: Convert to fraction form
    125.75/141.44 = 141.44/x
  3. Step 3: Cross multiply
    125.75x = 141.44 × 141.44
  4. Step 4: Simplify right side
    125.75x = 20,004.57
  5. Step 5: Solve for x
    x = 20,004.57/125.75
  6. Step 6: Final answer
    x = 159.08

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Why These Related Problems?

These problems maintain the same ratio (1.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.