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Finding the Third Proportional to 8,756 and 20,249.50

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Solution

The third proportional to 8,756 and 20,249.50 is: 46,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756 : 20,249.50 = 20,249.50 : x
  2. Step 2: Convert to fraction form
    8,756/20,249.50 = 20,249.50/x
  3. Step 3: Cross multiply
    8,756x = 20,249.50 × 20,249.50
  4. Step 4: Simplify right side
    8,756x = 410,042,250.25
  5. Step 5: Solve for x
    x = 410,042,250.25/8,756
  6. Step 6: Final answer
    x = 46,829.86

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.