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Finding the Third Proportional to 456 and 496

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Solution

The third proportional to 456 and 496 is: 539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    456 : 496 = 496 : x
  2. Step 2: Convert to fraction form
    456/496 = 496/x
  3. Step 3: Cross multiply
    456x = 496 × 496
  4. Step 4: Simplify right side
    456x = 246,016
  5. Step 5: Solve for x
    x = 246,016/456
  6. Step 6: Final answer
    x = 539.51

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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.