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Finding the Third Proportional to 395.44 and 852.19

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Solution

The third proportional to 395.44 and 852.19 is: 1,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.44 : 852.19 = 852.19 : x
  2. Step 2: Convert to fraction form
    395.44/852.19 = 852.19/x
  3. Step 3: Cross multiply
    395.44x = 852.19 × 852.19
  4. Step 4: Simplify right side
    395.44x = 726,223.54
  5. Step 5: Solve for x
    x = 726,223.54/395.44
  6. Step 6: Final answer
    x = 1,836.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.