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Finding the Third Proportional to 23.77 and 33.78

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Solution

The third proportional to 23.77 and 33.78 is: 48.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.77 : 33.78 = 33.78 : x
  2. Step 2: Convert to fraction form
    23.77/33.78 = 33.78/x
  3. Step 3: Cross multiply
    23.77x = 33.78 × 33.78
  4. Step 4: Simplify right side
    23.77x = 1,141.25
  5. Step 5: Solve for x
    x = 1,141.25/23.77
  6. Step 6: Final answer
    x = 48.01

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.