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Finding the Third Proportional to 125.94 and 255.06

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Solution

The third proportional to 125.94 and 255.06 is: 516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125.94 : 255.06 = 255.06 : x
  2. Step 2: Convert to fraction form
    125.94/255.06 = 255.06/x
  3. Step 3: Cross multiply
    125.94x = 255.06 × 255.06
  4. Step 4: Simplify right side
    125.94x = 65,056.88
  5. Step 5: Solve for x
    x = 65,056.88/125.94
  6. Step 6: Final answer
    x = 516.58

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.