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Finding the Third Proportional to 73,965.50 and 120,169.50

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Solution

The third proportional to 73,965.50 and 120,169.50 is: 195,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,965.50 : 120,169.50 = 120,169.50 : x
  2. Step 2: Convert to fraction form
    73,965.50/120,169.50 = 120,169.50/x
  3. Step 3: Cross multiply
    73,965.50x = 120,169.50 × 120,169.50
  4. Step 4: Simplify right side
    73,965.50x = 14,440,708,730.25
  5. Step 5: Solve for x
    x = 14,440,708,730.25/73,965.50
  6. Step 6: Final answer
    x = 195,235.73

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.