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Finding the Third Proportional to 73.13 and 125.25

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Solution

The third proportional to 73.13 and 125.25 is: 214.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.13 : 125.25 = 125.25 : x
  2. Step 2: Convert to fraction form
    73.13/125.25 = 125.25/x
  3. Step 3: Cross multiply
    73.13x = 125.25 × 125.25
  4. Step 4: Simplify right side
    73.13x = 15,687.56
  5. Step 5: Solve for x
    x = 15,687.56/73.13
  6. Step 6: Final answer
    x = 214.53

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.