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Finding the Third Proportional to 206.72 and 446.34

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Solution

The third proportional to 206.72 and 446.34 is: 963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.72 : 446.34 = 446.34 : x
  2. Step 2: Convert to fraction form
    206.72/446.34 = 446.34/x
  3. Step 3: Cross multiply
    206.72x = 446.34 × 446.34
  4. Step 4: Simplify right side
    206.72x = 199,222.74
  5. Step 5: Solve for x
    x = 199,222.74/206.72
  6. Step 6: Final answer
    x = 963.74

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.