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Finding the Third Proportional to 4,449.38 and 9,786.94

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Solution

The third proportional to 4,449.38 and 9,786.94 is: 21,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.38 : 9,786.94 = 9,786.94 : x
  2. Step 2: Convert to fraction form
    4,449.38/9,786.94 = 9,786.94/x
  3. Step 3: Cross multiply
    4,449.38x = 9,786.94 × 9,786.94
  4. Step 4: Simplify right side
    4,449.38x = 95,784,145.63
  5. Step 5: Solve for x
    x = 95,784,145.63/4,449.38
  6. Step 6: Final answer
    x = 21,527.55

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.