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Finding the Third Proportional to 7,983 and 16,879.50

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Solution

The third proportional to 7,983 and 16,879.50 is: 35,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983 : 16,879.50 = 16,879.50 : x
  2. Step 2: Convert to fraction form
    7,983/16,879.50 = 16,879.50/x
  3. Step 3: Cross multiply
    7,983x = 16,879.50 × 16,879.50
  4. Step 4: Simplify right side
    7,983x = 284,917,520.25
  5. Step 5: Solve for x
    x = 284,917,520.25/7,983
  6. Step 6: Final answer
    x = 35,690.53

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.