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Finding the Third Proportional to 53,635.50 and 80,169.75

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Solution

The third proportional to 53,635.50 and 80,169.75 is: 119,830.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,635.50 : 80,169.75 = 80,169.75 : x
  2. Step 2: Convert to fraction form
    53,635.50/80,169.75 = 80,169.75/x
  3. Step 3: Cross multiply
    53,635.50x = 80,169.75 × 80,169.75
  4. Step 4: Simplify right side
    53,635.50x = 6,427,188,815.06
  5. Step 5: Solve for x
    x = 6,427,188,815.06/53,635.50
  6. Step 6: Final answer
    x = 119,830.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.