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Finding the Third Proportional to 51.26 and 115.33

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Solution

The third proportional to 51.26 and 115.33 is: 259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.26 : 115.33 = 115.33 : x
  2. Step 2: Convert to fraction form
    51.26/115.33 = 115.33/x
  3. Step 3: Cross multiply
    51.26x = 115.33 × 115.33
  4. Step 4: Simplify right side
    51.26x = 13,301.03
  5. Step 5: Solve for x
    x = 13,301.03/51.26
  6. Step 6: Final answer
    x = 259.49

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.