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Finding the Third Proportional to 11,518 and 25,183

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Solution

The third proportional to 11,518 and 25,183 is: 55,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518 : 25,183 = 25,183 : x
  2. Step 2: Convert to fraction form
    11,518/25,183 = 25,183/x
  3. Step 3: Cross multiply
    11,518x = 25,183 × 25,183
  4. Step 4: Simplify right side
    11,518x = 634,183,489
  5. Step 5: Solve for x
    x = 634,183,489/11,518
  6. Step 6: Final answer
    x = 55,060.21

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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.