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Finding the Third Proportional to 114.88 and 251.56

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Solution

The third proportional to 114.88 and 251.56 is: 550.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.88 : 251.56 = 251.56 : x
  2. Step 2: Convert to fraction form
    114.88/251.56 = 251.56/x
  3. Step 3: Cross multiply
    114.88x = 251.56 × 251.56
  4. Step 4: Simplify right side
    114.88x = 63,283.69
  5. Step 5: Solve for x
    x = 63,283.69/114.88
  6. Step 6: Final answer
    x = 550.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.