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Finding the Third Proportional to 6,286 and 13,091

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Solution

The third proportional to 6,286 and 13,091 is: 27,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286 : 13,091 = 13,091 : x
  2. Step 2: Convert to fraction form
    6,286/13,091 = 13,091/x
  3. Step 3: Cross multiply
    6,286x = 13,091 × 13,091
  4. Step 4: Simplify right side
    6,286x = 171,374,281
  5. Step 5: Solve for x
    x = 171,374,281/6,286
  6. Step 6: Final answer
    x = 27,262.85

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.