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Finding the Third Proportional to 48.38 and 75.94

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Solution

The third proportional to 48.38 and 75.94 is: 119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.38 : 75.94 = 75.94 : x
  2. Step 2: Convert to fraction form
    48.38/75.94 = 75.94/x
  3. Step 3: Cross multiply
    48.38x = 75.94 × 75.94
  4. Step 4: Simplify right side
    48.38x = 5,766.50
  5. Step 5: Solve for x
    x = 5,766.50/48.38
  6. Step 6: Final answer
    x = 119.20

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.