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Finding the Third Proportional to 163 and 375

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Solution

The third proportional to 163 and 375 is: 862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    163 : 375 = 375 : x
  2. Step 2: Convert to fraction form
    163/375 = 375/x
  3. Step 3: Cross multiply
    163x = 375 × 375
  4. Step 4: Simplify right side
    163x = 140,625
  5. Step 5: Solve for x
    x = 140,625/163
  6. Step 6: Final answer
    x = 862.73

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.