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Finding the Third Proportional to 119,351 and 262,698

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Solution

The third proportional to 119,351 and 262,698 is: 578,212.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,351 : 262,698 = 262,698 : x
  2. Step 2: Convert to fraction form
    119,351/262,698 = 262,698/x
  3. Step 3: Cross multiply
    119,351x = 262,698 × 262,698
  4. Step 4: Simplify right side
    119,351x = 69,010,239,204
  5. Step 5: Solve for x
    x = 69,010,239,204/119,351
  6. Step 6: Final answer
    x = 578,212.49

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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.