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Finding the Third Proportional to 272 and 441.50

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Solution

The third proportional to 272 and 441.50 is: 716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272 : 441.50 = 441.50 : x
  2. Step 2: Convert to fraction form
    272/441.50 = 441.50/x
  3. Step 3: Cross multiply
    272x = 441.50 × 441.50
  4. Step 4: Simplify right side
    272x = 194,922.25
  5. Step 5: Solve for x
    x = 194,922.25/272
  6. Step 6: Final answer
    x = 716.63

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.