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Finding the Third Proportional to 544 and 878

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Solution

The third proportional to 544 and 878 is: 1,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544 : 878 = 878 : x
  2. Step 2: Convert to fraction form
    544/878 = 878/x
  3. Step 3: Cross multiply
    544x = 878 × 878
  4. Step 4: Simplify right side
    544x = 770,884
  5. Step 5: Solve for x
    x = 770,884/544
  6. Step 6: Final answer
    x = 1,417.07

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.