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Finding the Third Proportional to 12,736 and 26,912

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Solution

The third proportional to 12,736 and 26,912 is: 56,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,736 : 26,912 = 26,912 : x
  2. Step 2: Convert to fraction form
    12,736/26,912 = 26,912/x
  3. Step 3: Cross multiply
    12,736x = 26,912 × 26,912
  4. Step 4: Simplify right side
    12,736x = 724,255,744
  5. Step 5: Solve for x
    x = 724,255,744/12,736
  6. Step 6: Final answer
    x = 56,866.81

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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.