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Finding the Third Proportional to 2,847.38 and 6,213.38

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Solution

The third proportional to 2,847.38 and 6,213.38 is: 13,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.38 : 6,213.38 = 6,213.38 : x
  2. Step 2: Convert to fraction form
    2,847.38/6,213.38 = 6,213.38/x
  3. Step 3: Cross multiply
    2,847.38x = 6,213.38 × 6,213.38
  4. Step 4: Simplify right side
    2,847.38x = 38,606,028.89
  5. Step 5: Solve for x
    x = 38,606,028.89/2,847.38
  6. Step 6: Final answer
    x = 13,558.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.