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Finding the Third Proportional to 80,107.50 and 120,774.75

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Solution

The third proportional to 80,107.50 and 120,774.75 is: 182,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,107.50 : 120,774.75 = 120,774.75 : x
  2. Step 2: Convert to fraction form
    80,107.50/120,774.75 = 120,774.75/x
  3. Step 3: Cross multiply
    80,107.50x = 120,774.75 × 120,774.75
  4. Step 4: Simplify right side
    80,107.50x = 14,586,540,237.56
  5. Step 5: Solve for x
    x = 14,586,540,237.56/80,107.50
  6. Step 6: Final answer
    x = 182,087.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.