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Finding the Third Proportional to 496.84 and 674.75

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Solution

The third proportional to 496.84 and 674.75 is: 916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    496.84 : 674.75 = 674.75 : x
  2. Step 2: Convert to fraction form
    496.84/674.75 = 674.75/x
  3. Step 3: Cross multiply
    496.84x = 674.75 × 674.75
  4. Step 4: Simplify right side
    496.84x = 455,287.56
  5. Step 5: Solve for x
    x = 455,287.56/496.84
  6. Step 6: Final answer
    x = 916.36

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.