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Finding the Third Proportional to 379.25 and 833.50

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Solution

The third proportional to 379.25 and 833.50 is: 1,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.25 : 833.50 = 833.50 : x
  2. Step 2: Convert to fraction form
    379.25/833.50 = 833.50/x
  3. Step 3: Cross multiply
    379.25x = 833.50 × 833.50
  4. Step 4: Simplify right side
    379.25x = 694,722.25
  5. Step 5: Solve for x
    x = 694,722.25/379.25
  6. Step 6: Final answer
    x = 1,831.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.