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Finding the Third Proportional to 80,222 and 120,045

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Solution

The third proportional to 80,222 and 120,045 is: 179,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,222 : 120,045 = 120,045 : x
  2. Step 2: Convert to fraction form
    80,222/120,045 = 120,045/x
  3. Step 3: Cross multiply
    80,222x = 120,045 × 120,045
  4. Step 4: Simplify right side
    80,222x = 14,410,802,025
  5. Step 5: Solve for x
    x = 14,410,802,025/80,222
  6. Step 6: Final answer
    x = 179,636.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.