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Finding the Third Proportional to 0.79 and 2.04

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Solution

The third proportional to 0.79 and 2.04 is: 5.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.79 : 2.04 = 2.04 : x
  2. Step 2: Convert to fraction form
    0.79/2.04 = 2.04/x
  3. Step 3: Cross multiply
    0.79x = 2.04 × 2.04
  4. Step 4: Simplify right side
    0.79x = 4.15
  5. Step 5: Solve for x
    x = 4.15/0.79
  6. Step 6: Final answer
    x = 5.22

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Why These Related Problems?

These problems maintain the same ratio (2.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.