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Finding the Third Proportional to 33.75 and 48.88

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Solution

The third proportional to 33.75 and 48.88 is: 70.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.75 : 48.88 = 48.88 : x
  2. Step 2: Convert to fraction form
    33.75/48.88 = 48.88/x
  3. Step 3: Cross multiply
    33.75x = 48.88 × 48.88
  4. Step 4: Simplify right side
    33.75x = 2,389.72
  5. Step 5: Solve for x
    x = 2,389.72/33.75
  6. Step 6: Final answer
    x = 70.81

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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.