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Finding the Third Proportional to 8,879.63 and 20,503.13

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Solution

The third proportional to 8,879.63 and 20,503.13 is: 47,341.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.63 : 20,503.13 = 20,503.13 : x
  2. Step 2: Convert to fraction form
    8,879.63/20,503.13 = 20,503.13/x
  3. Step 3: Cross multiply
    8,879.63x = 20,503.13 × 20,503.13
  4. Step 4: Simplify right side
    8,879.63x = 420,378,134.77
  5. Step 5: Solve for x
    x = 420,378,134.77/8,879.63
  6. Step 6: Final answer
    x = 47,341.88

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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.