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Finding the Third Proportional to 79,845 and 119,769.75

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Solution

The third proportional to 79,845 and 119,769.75 is: 179,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,845 : 119,769.75 = 119,769.75 : x
  2. Step 2: Convert to fraction form
    79,845/119,769.75 = 119,769.75/x
  3. Step 3: Cross multiply
    79,845x = 119,769.75 × 119,769.75
  4. Step 4: Simplify right side
    79,845x = 14,344,793,015.06
  5. Step 5: Solve for x
    x = 14,344,793,015.06/79,845
  6. Step 6: Final answer
    x = 179,658.00

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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.