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Finding the Third Proportional to 16,728.38 and 36,372.75

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Solution

The third proportional to 16,728.38 and 36,372.75 is: 79,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.38 : 36,372.75 = 36,372.75 : x
  2. Step 2: Convert to fraction form
    16,728.38/36,372.75 = 36,372.75/x
  3. Step 3: Cross multiply
    16,728.38x = 36,372.75 × 36,372.75
  4. Step 4: Simplify right side
    16,728.38x = 1,322,976,942.56
  5. Step 5: Solve for x
    x = 1,322,976,942.56/16,728.38
  6. Step 6: Final answer
    x = 79,085.80

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.