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Finding the Third Proportional to 1.04 and 2.68

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Solution

The third proportional to 1.04 and 2.68 is: 6.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1.04 : 2.68 = 2.68 : x
  2. Step 2: Convert to fraction form
    1.04/2.68 = 2.68/x
  3. Step 3: Cross multiply
    1.04x = 2.68 × 2.68
  4. Step 4: Simplify right side
    1.04x = 7.17
  5. Step 5: Solve for x
    x = 7.17/1.04
  6. Step 6: Final answer
    x = 6.87

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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.