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Finding the Third Proportional to 2,627 and 5,555

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Solution

The third proportional to 2,627 and 5,555 is: 11,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627 : 5,555 = 5,555 : x
  2. Step 2: Convert to fraction form
    2,627/5,555 = 5,555/x
  3. Step 3: Cross multiply
    2,627x = 5,555 × 5,555
  4. Step 4: Simplify right side
    2,627x = 30,858,025
  5. Step 5: Solve for x
    x = 30,858,025/2,627
  6. Step 6: Final answer
    x = 11,746.49

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.