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Finding the Third Proportional to 10 and 15.97

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Solution

The third proportional to 10 and 15.97 is: 25.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10 : 15.97 = 15.97 : x
  2. Step 2: Convert to fraction form
    10/15.97 = 15.97/x
  3. Step 3: Cross multiply
    10x = 15.97 × 15.97
  4. Step 4: Simplify right side
    10x = 255.00
  5. Step 5: Solve for x
    x = 255.00/10
  6. Step 6: Final answer
    x = 25.50

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.