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Finding the Third Proportional to 18.75 and 25.94

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Solution

The third proportional to 18.75 and 25.94 is: 35.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.75 : 25.94 = 25.94 : x
  2. Step 2: Convert to fraction form
    18.75/25.94 = 25.94/x
  3. Step 3: Cross multiply
    18.75x = 25.94 × 25.94
  4. Step 4: Simplify right side
    18.75x = 672.75
  5. Step 5: Solve for x
    x = 672.75/18.75
  6. Step 6: Final answer
    x = 35.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.