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Finding the Third Proportional to 614.13 and 868.25

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Solution

The third proportional to 614.13 and 868.25 is: 1,227.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.13 : 868.25 = 868.25 : x
  2. Step 2: Convert to fraction form
    614.13/868.25 = 868.25/x
  3. Step 3: Cross multiply
    614.13x = 868.25 × 868.25
  4. Step 4: Simplify right side
    614.13x = 753,858.06
  5. Step 5: Solve for x
    x = 753,858.06/614.13
  6. Step 6: Final answer
    x = 1,227.53

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.