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Finding the Third Proportional to 12,629 and 26,589

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Solution

The third proportional to 12,629 and 26,589 is: 55,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629 : 26,589 = 26,589 : x
  2. Step 2: Convert to fraction form
    12,629/26,589 = 26,589/x
  3. Step 3: Cross multiply
    12,629x = 26,589 × 26,589
  4. Step 4: Simplify right side
    12,629x = 706,974,921
  5. Step 5: Solve for x
    x = 706,974,921/12,629
  6. Step 6: Final answer
    x = 55,980.28

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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.