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Finding the Third Proportional to 4,950 and 10,991.25

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Solution

The third proportional to 4,950 and 10,991.25 is: 24,405.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950 : 10,991.25 = 10,991.25 : x
  2. Step 2: Convert to fraction form
    4,950/10,991.25 = 10,991.25/x
  3. Step 3: Cross multiply
    4,950x = 10,991.25 × 10,991.25
  4. Step 4: Simplify right side
    4,950x = 120,807,576.56
  5. Step 5: Solve for x
    x = 120,807,576.56/4,950
  6. Step 6: Final answer
    x = 24,405.57

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.