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Finding the Third Proportional to 11,954 and 17,859

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Solution

The third proportional to 11,954 and 17,859 is: 26,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954 : 17,859 = 17,859 : x
  2. Step 2: Convert to fraction form
    11,954/17,859 = 17,859/x
  3. Step 3: Cross multiply
    11,954x = 17,859 × 17,859
  4. Step 4: Simplify right side
    11,954x = 318,943,881
  5. Step 5: Solve for x
    x = 318,943,881/11,954
  6. Step 6: Final answer
    x = 26,680.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.