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Finding the Third Proportional to 853.88 and 2,049.05

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Solution

The third proportional to 853.88 and 2,049.05 is: 4,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    853.88 : 2,049.05 = 2,049.05 : x
  2. Step 2: Convert to fraction form
    853.88/2,049.05 = 2,049.05/x
  3. Step 3: Cross multiply
    853.88x = 2,049.05 × 2,049.05
  4. Step 4: Simplify right side
    853.88x = 4,198,593.10
  5. Step 5: Solve for x
    x = 4,198,593.10/853.88
  6. Step 6: Final answer
    x = 4,917.11

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Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.