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Finding the Third Proportional to 291.56 and 441

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Solution

The third proportional to 291.56 and 441 is: 667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291.56 : 441 = 441 : x
  2. Step 2: Convert to fraction form
    291.56/441 = 441/x
  3. Step 3: Cross multiply
    291.56x = 441 × 441
  4. Step 4: Simplify right side
    291.56x = 194,481
  5. Step 5: Solve for x
    x = 194,481/291.56
  6. Step 6: Final answer
    x = 667.03

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.