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Finding the Third Proportional to 119,930 and 262,424

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Solution

The third proportional to 119,930 and 262,424 is: 574,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,930 : 262,424 = 262,424 : x
  2. Step 2: Convert to fraction form
    119,930/262,424 = 262,424/x
  3. Step 3: Cross multiply
    119,930x = 262,424 × 262,424
  4. Step 4: Simplify right side
    119,930x = 68,866,355,776
  5. Step 5: Solve for x
    x = 68,866,355,776/119,930
  6. Step 6: Final answer
    x = 574,221.26

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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.