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Finding the Third Proportional to 482 and 655

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Solution

The third proportional to 482 and 655 is: 890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    482 : 655 = 655 : x
  2. Step 2: Convert to fraction form
    482/655 = 655/x
  3. Step 3: Cross multiply
    482x = 655 × 655
  4. Step 4: Simplify right side
    482x = 429,025
  5. Step 5: Solve for x
    x = 429,025/482
  6. Step 6: Final answer
    x = 890.09

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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.