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Finding the Third Proportional to 3.71 and 5.99

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Solution

The third proportional to 3.71 and 5.99 is: 9.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.71 : 5.99 = 5.99 : x
  2. Step 2: Convert to fraction form
    3.71/5.99 = 5.99/x
  3. Step 3: Cross multiply
    3.71x = 5.99 × 5.99
  4. Step 4: Simplify right side
    3.71x = 35.86
  5. Step 5: Solve for x
    x = 35.86/3.71
  6. Step 6: Final answer
    x = 9.67

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.