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Finding the Third Proportional to 275 and 441

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Solution

The third proportional to 275 and 441 is: 707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275 : 441 = 441 : x
  2. Step 2: Convert to fraction form
    275/441 = 441/x
  3. Step 3: Cross multiply
    275x = 441 × 441
  4. Step 4: Simplify right side
    275x = 194,481
  5. Step 5: Solve for x
    x = 194,481/275
  6. Step 6: Final answer
    x = 707.20

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.