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Finding the Third Proportional to 26,491.50 and 55,138

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Solution

The third proportional to 26,491.50 and 55,138 is: 114,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.50 : 55,138 = 55,138 : x
  2. Step 2: Convert to fraction form
    26,491.50/55,138 = 55,138/x
  3. Step 3: Cross multiply
    26,491.50x = 55,138 × 55,138
  4. Step 4: Simplify right side
    26,491.50x = 3,040,199,044
  5. Step 5: Solve for x
    x = 3,040,199,044/26,491.50
  6. Step 6: Final answer
    x = 114,761.30

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.