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Finding the Third Proportional to 119,158 and 261,930

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Solution

The third proportional to 119,158 and 261,930 is: 575,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,158 : 261,930 = 261,930 : x
  2. Step 2: Convert to fraction form
    119,158/261,930 = 261,930/x
  3. Step 3: Cross multiply
    119,158x = 261,930 × 261,930
  4. Step 4: Simplify right side
    119,158x = 68,607,324,900
  5. Step 5: Solve for x
    x = 68,607,324,900/119,158
  6. Step 6: Final answer
    x = 575,767.68

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.