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Finding the Third Proportional to 125.44 and 268.31

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Solution

The third proportional to 125.44 and 268.31 is: 573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.44 : 268.31 = 268.31 : x
  2. Step 2: Convert to fraction form
    125.44/268.31 = 268.31/x
  3. Step 3: Cross multiply
    125.44x = 268.31 × 268.31
  4. Step 4: Simplify right side
    125.44x = 71,991.60
  5. Step 5: Solve for x
    x = 71,991.60/125.44
  6. Step 6: Final answer
    x = 573.92

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.