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Finding the Third Proportional to 11,630 and 25,857

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Solution

The third proportional to 11,630 and 25,857 is: 57,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,630 : 25,857 = 25,857 : x
  2. Step 2: Convert to fraction form
    11,630/25,857 = 25,857/x
  3. Step 3: Cross multiply
    11,630x = 25,857 × 25,857
  4. Step 4: Simplify right side
    11,630x = 668,584,449
  5. Step 5: Solve for x
    x = 668,584,449/11,630
  6. Step 6: Final answer
    x = 57,487.91

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.