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Finding the Third Proportional to 48.94 and 68.44

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Solution

The third proportional to 48.94 and 68.44 is: 95.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.94 : 68.44 = 68.44 : x
  2. Step 2: Convert to fraction form
    48.94/68.44 = 68.44/x
  3. Step 3: Cross multiply
    48.94x = 68.44 × 68.44
  4. Step 4: Simplify right side
    48.94x = 4,683.69
  5. Step 5: Solve for x
    x = 4,683.69/48.94
  6. Step 6: Final answer
    x = 95.71

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.