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Finding the Third Proportional to 12,876 and 26,106

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Solution

The third proportional to 12,876 and 26,106 is: 52,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876 : 26,106 = 26,106 : x
  2. Step 2: Convert to fraction form
    12,876/26,106 = 26,106/x
  3. Step 3: Cross multiply
    12,876x = 26,106 × 26,106
  4. Step 4: Simplify right side
    12,876x = 681,523,236
  5. Step 5: Solve for x
    x = 681,523,236/12,876
  6. Step 6: Final answer
    x = 52,929.73

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.