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Finding the Third Proportional to 3,157 and 6,941

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Solution

The third proportional to 3,157 and 6,941 is: 15,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157 : 6,941 = 6,941 : x
  2. Step 2: Convert to fraction form
    3,157/6,941 = 6,941/x
  3. Step 3: Cross multiply
    3,157x = 6,941 × 6,941
  4. Step 4: Simplify right side
    3,157x = 48,177,481
  5. Step 5: Solve for x
    x = 48,177,481/3,157
  6. Step 6: Final answer
    x = 15,260.53

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.