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Finding the Third Proportional to 841 and 2,197

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Solution

The third proportional to 841 and 2,197 is: 5,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    841 : 2,197 = 2,197 : x
  2. Step 2: Convert to fraction form
    841/2,197 = 2,197/x
  3. Step 3: Cross multiply
    841x = 2,197 × 2,197
  4. Step 4: Simplify right side
    841x = 4,826,809
  5. Step 5: Solve for x
    x = 4,826,809/841
  6. Step 6: Final answer
    x = 5,739.37

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Why These Related Problems?

These problems maintain the same ratio (2.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.