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Finding the Third Proportional to 476 and 552

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Solution

The third proportional to 476 and 552 is: 640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    476 : 552 = 552 : x
  2. Step 2: Convert to fraction form
    476/552 = 552/x
  3. Step 3: Cross multiply
    476x = 552 × 552
  4. Step 4: Simplify right side
    476x = 304,704
  5. Step 5: Solve for x
    x = 304,704/476
  6. Step 6: Final answer
    x = 640.13

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.