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Finding the Third Proportional to 252 and 325.88

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Solution

The third proportional to 252 and 325.88 is: 421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252 : 325.88 = 325.88 : x
  2. Step 2: Convert to fraction form
    252/325.88 = 325.88/x
  3. Step 3: Cross multiply
    252x = 325.88 × 325.88
  4. Step 4: Simplify right side
    252x = 106,194.52
  5. Step 5: Solve for x
    x = 106,194.52/252
  6. Step 6: Final answer
    x = 421.41

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.