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Finding the Third Proportional to 1,648.79 and 3,814.44

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Solution

The third proportional to 1,648.79 and 3,814.44 is: 8,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.79 : 3,814.44 = 3,814.44 : x
  2. Step 2: Convert to fraction form
    1,648.79/3,814.44 = 3,814.44/x
  3. Step 3: Cross multiply
    1,648.79x = 3,814.44 × 3,814.44
  4. Step 4: Simplify right side
    1,648.79x = 14,549,918.54
  5. Step 5: Solve for x
    x = 14,549,918.54/1,648.79
  6. Step 6: Final answer
    x = 8,824.59

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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.