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Finding the Third Proportional to 109,768 and 223,424

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Solution

The third proportional to 109,768 and 223,424 is: 454,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768 : 223,424 = 223,424 : x
  2. Step 2: Convert to fraction form
    109,768/223,424 = 223,424/x
  3. Step 3: Cross multiply
    109,768x = 223,424 × 223,424
  4. Step 4: Simplify right side
    109,768x = 49,918,283,776
  5. Step 5: Solve for x
    x = 49,918,283,776/109,768
  6. Step 6: Final answer
    x = 454,761.71

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.