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Finding the Third Proportional to 6,686 and 15,497

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Solution

The third proportional to 6,686 and 15,497 is: 35,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686 : 15,497 = 15,497 : x
  2. Step 2: Convert to fraction form
    6,686/15,497 = 15,497/x
  3. Step 3: Cross multiply
    6,686x = 15,497 × 15,497
  4. Step 4: Simplify right side
    6,686x = 240,157,009
  5. Step 5: Solve for x
    x = 240,157,009/6,686
  6. Step 6: Final answer
    x = 35,919.39

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.