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Finding the Third Proportional to 4,247.44 and 8,882.16

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Solution

The third proportional to 4,247.44 and 8,882.16 is: 18,574.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.44 : 8,882.16 = 8,882.16 : x
  2. Step 2: Convert to fraction form
    4,247.44/8,882.16 = 8,882.16/x
  3. Step 3: Cross multiply
    4,247.44x = 8,882.16 × 8,882.16
  4. Step 4: Simplify right side
    4,247.44x = 78,892,699.65
  5. Step 5: Solve for x
    x = 78,892,699.65/4,247.44
  6. Step 6: Final answer
    x = 18,574.19

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.