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Finding the Third Proportional to 55,494 and 120,843

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Solution

The third proportional to 55,494 and 120,843 is: 263,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,494 : 120,843 = 120,843 : x
  2. Step 2: Convert to fraction form
    55,494/120,843 = 120,843/x
  3. Step 3: Cross multiply
    55,494x = 120,843 × 120,843
  4. Step 4: Simplify right side
    55,494x = 14,603,030,649
  5. Step 5: Solve for x
    x = 14,603,030,649/55,494
  6. Step 6: Final answer
    x = 263,146.12

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.