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Finding the Third Proportional to 114.38 and 248.25

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Solution

The third proportional to 114.38 and 248.25 is: 538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.38 : 248.25 = 248.25 : x
  2. Step 2: Convert to fraction form
    114.38/248.25 = 248.25/x
  3. Step 3: Cross multiply
    114.38x = 248.25 × 248.25
  4. Step 4: Simplify right side
    114.38x = 61,628.06
  5. Step 5: Solve for x
    x = 61,628.06/114.38
  6. Step 6: Final answer
    x = 538.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.