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Finding the Third Proportional to 2,278.69 and 4,958.44

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Solution

The third proportional to 2,278.69 and 4,958.44 is: 10,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.69 : 4,958.44 = 4,958.44 : x
  2. Step 2: Convert to fraction form
    2,278.69/4,958.44 = 4,958.44/x
  3. Step 3: Cross multiply
    2,278.69x = 4,958.44 × 4,958.44
  4. Step 4: Simplify right side
    2,278.69x = 24,586,102.44
  5. Step 5: Solve for x
    x = 24,586,102.44/2,278.69
  6. Step 6: Final answer
    x = 10,789.59

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.