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Finding the Third Proportional to 19.94 and 28.88

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Solution

The third proportional to 19.94 and 28.88 is: 41.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.94 : 28.88 = 28.88 : x
  2. Step 2: Convert to fraction form
    19.94/28.88 = 28.88/x
  3. Step 3: Cross multiply
    19.94x = 28.88 × 28.88
  4. Step 4: Simplify right side
    19.94x = 833.77
  5. Step 5: Solve for x
    x = 833.77/19.94
  6. Step 6: Final answer
    x = 41.82

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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.