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Finding the Third Proportional to 4.13 and 6.94

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Solution

The third proportional to 4.13 and 6.94 is: 11.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.13 : 6.94 = 6.94 : x
  2. Step 2: Convert to fraction form
    4.13/6.94 = 6.94/x
  3. Step 3: Cross multiply
    4.13x = 6.94 × 6.94
  4. Step 4: Simplify right side
    4.13x = 48.13
  5. Step 5: Solve for x
    x = 48.13/4.13
  6. Step 6: Final answer
    x = 11.67

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.