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Finding the Third Proportional to 3.68 and 9.97

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Solution

The third proportional to 3.68 and 9.97 is: 27.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.68 : 9.97 = 9.97 : x
  2. Step 2: Convert to fraction form
    3.68/9.97 = 9.97/x
  3. Step 3: Cross multiply
    3.68x = 9.97 × 9.97
  4. Step 4: Simplify right side
    3.68x = 99.34
  5. Step 5: Solve for x
    x = 99.34/3.68
  6. Step 6: Final answer
    x = 27.01

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.