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Finding the Third Proportional to 379.69 and 880.88

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Solution

The third proportional to 379.69 and 880.88 is: 2,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.69 : 880.88 = 880.88 : x
  2. Step 2: Convert to fraction form
    379.69/880.88 = 880.88/x
  3. Step 3: Cross multiply
    379.69x = 880.88 × 880.88
  4. Step 4: Simplify right side
    379.69x = 775,940.77
  5. Step 5: Solve for x
    x = 775,940.77/379.69
  6. Step 6: Final answer
    x = 2,043.63

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.