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Finding the Third Proportional to 26,786 and 56,812

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Solution

The third proportional to 26,786 and 56,812 is: 120,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786 : 56,812 = 56,812 : x
  2. Step 2: Convert to fraction form
    26,786/56,812 = 56,812/x
  3. Step 3: Cross multiply
    26,786x = 56,812 × 56,812
  4. Step 4: Simplify right side
    26,786x = 3,227,603,344
  5. Step 5: Solve for x
    x = 3,227,603,344/26,786
  6. Step 6: Final answer
    x = 120,495.91

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.