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Finding the Third Proportional to 861.47 and 1,844.44

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Solution

The third proportional to 861.47 and 1,844.44 is: 3,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    861.47 : 1,844.44 = 1,844.44 : x
  2. Step 2: Convert to fraction form
    861.47/1,844.44 = 1,844.44/x
  3. Step 3: Cross multiply
    861.47x = 1,844.44 × 1,844.44
  4. Step 4: Simplify right side
    861.47x = 3,401,949.69
  5. Step 5: Solve for x
    x = 3,401,949.69/861.47
  6. Step 6: Final answer
    x = 3,949.01

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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.