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Finding the Third Proportional to 13.91 and 14.98

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Solution

The third proportional to 13.91 and 14.98 is: 16.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.91 : 14.98 = 14.98 : x
  2. Step 2: Convert to fraction form
    13.91/14.98 = 14.98/x
  3. Step 3: Cross multiply
    13.91x = 14.98 × 14.98
  4. Step 4: Simplify right side
    13.91x = 224.44
  5. Step 5: Solve for x
    x = 224.44/13.91
  6. Step 6: Final answer
    x = 16.13

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.