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Finding the Third Proportional to 2.04 and 3.69

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Solution

The third proportional to 2.04 and 3.69 is: 6.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.04 : 3.69 = 3.69 : x
  2. Step 2: Convert to fraction form
    2.04/3.69 = 3.69/x
  3. Step 3: Cross multiply
    2.04x = 3.69 × 3.69
  4. Step 4: Simplify right side
    2.04x = 13.64
  5. Step 5: Solve for x
    x = 13.64/2.04
  6. Step 6: Final answer
    x = 6.69

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.