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Finding the Third Proportional to 12,611 and 26,512

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Solution

The third proportional to 12,611 and 26,512 is: 55,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,611 : 26,512 = 26,512 : x
  2. Step 2: Convert to fraction form
    12,611/26,512 = 26,512/x
  3. Step 3: Cross multiply
    12,611x = 26,512 × 26,512
  4. Step 4: Simplify right side
    12,611x = 702,886,144
  5. Step 5: Solve for x
    x = 702,886,144/12,611
  6. Step 6: Final answer
    x = 55,735.96

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.