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Finding the Third Proportional to 474 and 582

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Solution

The third proportional to 474 and 582 is: 714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    474 : 582 = 582 : x
  2. Step 2: Convert to fraction form
    474/582 = 582/x
  3. Step 3: Cross multiply
    474x = 582 × 582
  4. Step 4: Simplify right side
    474x = 338,724
  5. Step 5: Solve for x
    x = 338,724/474
  6. Step 6: Final answer
    x = 714.61

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These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.