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Finding the Third Proportional to 2,078.44 and 4,446.56

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Solution

The third proportional to 2,078.44 and 4,446.56 is: 9,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078.44 : 4,446.56 = 4,446.56 : x
  2. Step 2: Convert to fraction form
    2,078.44/4,446.56 = 4,446.56/x
  3. Step 3: Cross multiply
    2,078.44x = 4,446.56 × 4,446.56
  4. Step 4: Simplify right side
    2,078.44x = 19,771,918.07
  5. Step 5: Solve for x
    x = 19,771,918.07/2,078.44
  6. Step 6: Final answer
    x = 9,512.88

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.