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Finding the Third Proportional to 4,183.44 and 8,798.28

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Solution

The third proportional to 4,183.44 and 8,798.28 is: 18,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.44 : 8,798.28 = 8,798.28 : x
  2. Step 2: Convert to fraction form
    4,183.44/8,798.28 = 8,798.28/x
  3. Step 3: Cross multiply
    4,183.44x = 8,798.28 × 8,798.28
  4. Step 4: Simplify right side
    4,183.44x = 77,409,752.95
  5. Step 5: Solve for x
    x = 77,409,752.95/4,183.44
  6. Step 6: Final answer
    x = 18,503.86

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.