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Finding the Third Proportional to 12.14 and 17.63

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Solution

The third proportional to 12.14 and 17.63 is: 25.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12.14 : 17.63 = 17.63 : x
  2. Step 2: Convert to fraction form
    12.14/17.63 = 17.63/x
  3. Step 3: Cross multiply
    12.14x = 17.63 × 17.63
  4. Step 4: Simplify right side
    12.14x = 310.73
  5. Step 5: Solve for x
    x = 310.73/12.14
  6. Step 6: Final answer
    x = 25.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.