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Finding the Third Proportional to 2.35 and 3.08

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Solution

The third proportional to 2.35 and 3.08 is: 4.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.35 : 3.08 = 3.08 : x
  2. Step 2: Convert to fraction form
    2.35/3.08 = 3.08/x
  3. Step 3: Cross multiply
    2.35x = 3.08 × 3.08
  4. Step 4: Simplify right side
    2.35x = 9.49
  5. Step 5: Solve for x
    x = 9.49/2.35
  6. Step 6: Final answer
    x = 4.04

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.