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Finding the Third Proportional to 14.50 and 20.13

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Solution

The third proportional to 14.50 and 20.13 is: 27.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.50 : 20.13 = 20.13 : x
  2. Step 2: Convert to fraction form
    14.50/20.13 = 20.13/x
  3. Step 3: Cross multiply
    14.50x = 20.13 × 20.13
  4. Step 4: Simplify right side
    14.50x = 405.02
  5. Step 5: Solve for x
    x = 405.02/14.50
  6. Step 6: Final answer
    x = 27.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.