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Finding the Third Proportional to 12,627 and 13,977

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Solution

The third proportional to 12,627 and 13,977 is: 15,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627 : 13,977 = 13,977 : x
  2. Step 2: Convert to fraction form
    12,627/13,977 = 13,977/x
  3. Step 3: Cross multiply
    12,627x = 13,977 × 13,977
  4. Step 4: Simplify right side
    12,627x = 195,356,529
  5. Step 5: Solve for x
    x = 195,356,529/12,627
  6. Step 6: Final answer
    x = 15,471.33

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.