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Finding the Third Proportional to 13.88 and 25.94

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Solution

The third proportional to 13.88 and 25.94 is: 48.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.88 : 25.94 = 25.94 : x
  2. Step 2: Convert to fraction form
    13.88/25.94 = 25.94/x
  3. Step 3: Cross multiply
    13.88x = 25.94 × 25.94
  4. Step 4: Simplify right side
    13.88x = 672.75
  5. Step 5: Solve for x
    x = 672.75/13.88
  6. Step 6: Final answer
    x = 48.49

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.