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Finding the Third Proportional to 252 and 332.50

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Solution

The third proportional to 252 and 332.50 is: 438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252 : 332.50 = 332.50 : x
  2. Step 2: Convert to fraction form
    252/332.50 = 332.50/x
  3. Step 3: Cross multiply
    252x = 332.50 × 332.50
  4. Step 4: Simplify right side
    252x = 110,556.25
  5. Step 5: Solve for x
    x = 110,556.25/252
  6. Step 6: Final answer
    x = 438.72

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.