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Finding the Third Proportional to 50.38 and 75.19

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Solution

The third proportional to 50.38 and 75.19 is: 112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.38 : 75.19 = 75.19 : x
  2. Step 2: Convert to fraction form
    50.38/75.19 = 75.19/x
  3. Step 3: Cross multiply
    50.38x = 75.19 × 75.19
  4. Step 4: Simplify right side
    50.38x = 5,653.16
  5. Step 5: Solve for x
    x = 5,653.16/50.38
  6. Step 6: Final answer
    x = 112.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.