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Finding the Third Proportional to 55,530 and 119,930

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Solution

The third proportional to 55,530 and 119,930 is: 259,016.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,530 : 119,930 = 119,930 : x
  2. Step 2: Convert to fraction form
    55,530/119,930 = 119,930/x
  3. Step 3: Cross multiply
    55,530x = 119,930 × 119,930
  4. Step 4: Simplify right side
    55,530x = 14,383,204,900
  5. Step 5: Solve for x
    x = 14,383,204,900/55,530
  6. Step 6: Final answer
    x = 259,016.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.