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Finding the Third Proportional to 3,081.25 and 4,741

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Solution

The third proportional to 3,081.25 and 4,741 is: 7,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.25 : 4,741 = 4,741 : x
  2. Step 2: Convert to fraction form
    3,081.25/4,741 = 4,741/x
  3. Step 3: Cross multiply
    3,081.25x = 4,741 × 4,741
  4. Step 4: Simplify right side
    3,081.25x = 22,477,081
  5. Step 5: Solve for x
    x = 22,477,081/3,081.25
  6. Step 6: Final answer
    x = 7,294.79

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.