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Finding the Third Proportional to 89,860.50 and 119,238.75

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Solution

The third proportional to 89,860.50 and 119,238.75 is: 158,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,860.50 : 119,238.75 = 119,238.75 : x
  2. Step 2: Convert to fraction form
    89,860.50/119,238.75 = 119,238.75/x
  3. Step 3: Cross multiply
    89,860.50x = 119,238.75 × 119,238.75
  4. Step 4: Simplify right side
    89,860.50x = 14,217,879,501.56
  5. Step 5: Solve for x
    x = 14,217,879,501.56/89,860.50
  6. Step 6: Final answer
    x = 158,221.68

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.