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Finding the Third Proportional to 323 and 871.50

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Solution

The third proportional to 323 and 871.50 is: 2,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323 : 871.50 = 871.50 : x
  2. Step 2: Convert to fraction form
    323/871.50 = 871.50/x
  3. Step 3: Cross multiply
    323x = 871.50 × 871.50
  4. Step 4: Simplify right side
    323x = 759,512.25
  5. Step 5: Solve for x
    x = 759,512.25/323
  6. Step 6: Final answer
    x = 2,351.43

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Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.