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Finding the Third Proportional to 548.44 and 771.19

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Solution

The third proportional to 548.44 and 771.19 is: 1,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.44 : 771.19 = 771.19 : x
  2. Step 2: Convert to fraction form
    548.44/771.19 = 771.19/x
  3. Step 3: Cross multiply
    548.44x = 771.19 × 771.19
  4. Step 4: Simplify right side
    548.44x = 594,730.16
  5. Step 5: Solve for x
    x = 594,730.16/548.44
  6. Step 6: Final answer
    x = 1,084.41

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.