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Finding the Third Proportional to 382.50 and 837

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Solution

The third proportional to 382.50 and 837 is: 1,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.50 : 837 = 837 : x
  2. Step 2: Convert to fraction form
    382.50/837 = 837/x
  3. Step 3: Cross multiply
    382.50x = 837 × 837
  4. Step 4: Simplify right side
    382.50x = 700,569
  5. Step 5: Solve for x
    x = 700,569/382.50
  6. Step 6: Final answer
    x = 1,831.55

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.