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Finding the Third Proportional to 362.75 and 890

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Solution

The third proportional to 362.75 and 890 is: 2,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.75 : 890 = 890 : x
  2. Step 2: Convert to fraction form
    362.75/890 = 890/x
  3. Step 3: Cross multiply
    362.75x = 890 × 890
  4. Step 4: Simplify right side
    362.75x = 792,100
  5. Step 5: Solve for x
    x = 792,100/362.75
  6. Step 6: Final answer
    x = 2,183.60

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.