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Finding the Third Proportional to 12,115 and 26,086

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Solution

The third proportional to 12,115 and 26,086 is: 56,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115 : 26,086 = 26,086 : x
  2. Step 2: Convert to fraction form
    12,115/26,086 = 26,086/x
  3. Step 3: Cross multiply
    12,115x = 26,086 × 26,086
  4. Step 4: Simplify right side
    12,115x = 680,479,396
  5. Step 5: Solve for x
    x = 680,479,396/12,115
  6. Step 6: Final answer
    x = 56,168.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.