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Finding the Third Proportional to 3.94 and 6.26

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Solution

The third proportional to 3.94 and 6.26 is: 9.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.94 : 6.26 = 6.26 : x
  2. Step 2: Convert to fraction form
    3.94/6.26 = 6.26/x
  3. Step 3: Cross multiply
    3.94x = 6.26 × 6.26
  4. Step 4: Simplify right side
    3.94x = 39.16
  5. Step 5: Solve for x
    x = 39.16/3.94
  6. Step 6: Final answer
    x = 9.95

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.