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Finding the Third Proportional to 206 and 448

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Solution

The third proportional to 206 and 448 is: 974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    206 : 448 = 448 : x
  2. Step 2: Convert to fraction form
    206/448 = 448/x
  3. Step 3: Cross multiply
    206x = 448 × 448
  4. Step 4: Simplify right side
    206x = 200,704
  5. Step 5: Solve for x
    x = 200,704/206
  6. Step 6: Final answer
    x = 974.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.