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Finding the Third Proportional to 6,240 and 11,859

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Solution

The third proportional to 6,240 and 11,859 is: 22,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240 : 11,859 = 11,859 : x
  2. Step 2: Convert to fraction form
    6,240/11,859 = 11,859/x
  3. Step 3: Cross multiply
    6,240x = 11,859 × 11,859
  4. Step 4: Simplify right side
    6,240x = 140,635,881
  5. Step 5: Solve for x
    x = 140,635,881/6,240
  6. Step 6: Final answer
    x = 22,537.80

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.