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Finding the Third Proportional to 5,686 and 12,463

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Solution

The third proportional to 5,686 and 12,463 is: 27,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686 : 12,463 = 12,463 : x
  2. Step 2: Convert to fraction form
    5,686/12,463 = 12,463/x
  3. Step 3: Cross multiply
    5,686x = 12,463 × 12,463
  4. Step 4: Simplify right side
    5,686x = 155,326,369
  5. Step 5: Solve for x
    x = 155,326,369/5,686
  6. Step 6: Final answer
    x = 27,317.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.