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Finding the Third Proportional to 50.06 and 79.38

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Solution

The third proportional to 50.06 and 79.38 is: 125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.06 : 79.38 = 79.38 : x
  2. Step 2: Convert to fraction form
    50.06/79.38 = 79.38/x
  3. Step 3: Cross multiply
    50.06x = 79.38 × 79.38
  4. Step 4: Simplify right side
    50.06x = 6,300.39
  5. Step 5: Solve for x
    x = 6,300.39/50.06
  6. Step 6: Final answer
    x = 125.85

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.