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Finding the Third Proportional to 14.25 and 18.94

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Solution

The third proportional to 14.25 and 18.94 is: 25.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14.25 : 18.94 = 18.94 : x
  2. Step 2: Convert to fraction form
    14.25/18.94 = 18.94/x
  3. Step 3: Cross multiply
    14.25x = 18.94 × 18.94
  4. Step 4: Simplify right side
    14.25x = 358.63
  5. Step 5: Solve for x
    x = 358.63/14.25
  6. Step 6: Final answer
    x = 25.17

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.