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Finding the Third Proportional to 2,450 and 5,447

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Solution

The third proportional to 2,450 and 5,447 is: 12,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450 : 5,447 = 5,447 : x
  2. Step 2: Convert to fraction form
    2,450/5,447 = 5,447/x
  3. Step 3: Cross multiply
    2,450x = 5,447 × 5,447
  4. Step 4: Simplify right side
    2,450x = 29,669,809
  5. Step 5: Solve for x
    x = 29,669,809/2,450
  6. Step 6: Final answer
    x = 12,110.13

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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.