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Finding the Third Proportional to 9.59 and 13.97

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Solution

The third proportional to 9.59 and 13.97 is: 20.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.59 : 13.97 = 13.97 : x
  2. Step 2: Convert to fraction form
    9.59/13.97 = 13.97/x
  3. Step 3: Cross multiply
    9.59x = 13.97 × 13.97
  4. Step 4: Simplify right side
    9.59x = 195.13
  5. Step 5: Solve for x
    x = 195.13/9.59
  6. Step 6: Final answer
    x = 20.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.