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Finding the Third Proportional to 16,879.50 and 39,077

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Solution

The third proportional to 16,879.50 and 39,077 is: 90,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.50 : 39,077 = 39,077 : x
  2. Step 2: Convert to fraction form
    16,879.50/39,077 = 39,077/x
  3. Step 3: Cross multiply
    16,879.50x = 39,077 × 39,077
  4. Step 4: Simplify right side
    16,879.50x = 1,527,011,929
  5. Step 5: Solve for x
    x = 1,527,011,929/16,879.50
  6. Step 6: Final answer
    x = 90,465.47

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.