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Finding the Third Proportional to 4.43 and 6.69

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Solution

The third proportional to 4.43 and 6.69 is: 10.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.43 : 6.69 = 6.69 : x
  2. Step 2: Convert to fraction form
    4.43/6.69 = 6.69/x
  3. Step 3: Cross multiply
    4.43x = 6.69 × 6.69
  4. Step 4: Simplify right side
    4.43x = 44.77
  5. Step 5: Solve for x
    x = 44.77/4.43
  6. Step 6: Final answer
    x = 10.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.