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Finding the Third Proportional to 272 and 295.50

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Solution

The third proportional to 272 and 295.50 is: 321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272 : 295.50 = 295.50 : x
  2. Step 2: Convert to fraction form
    272/295.50 = 295.50/x
  3. Step 3: Cross multiply
    272x = 295.50 × 295.50
  4. Step 4: Simplify right side
    272x = 87,320.25
  5. Step 5: Solve for x
    x = 87,320.25/272
  6. Step 6: Final answer
    x = 321.03

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.