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Finding the Third Proportional to 3,012.75 and 4,724.44

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Solution

The third proportional to 3,012.75 and 4,724.44 is: 7,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.75 : 4,724.44 = 4,724.44 : x
  2. Step 2: Convert to fraction form
    3,012.75/4,724.44 = 4,724.44/x
  3. Step 3: Cross multiply
    3,012.75x = 4,724.44 × 4,724.44
  4. Step 4: Simplify right side
    3,012.75x = 22,320,309.69
  5. Step 5: Solve for x
    x = 22,320,309.69/3,012.75
  6. Step 6: Final answer
    x = 7,408.62

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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.