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Finding the Third Proportional to 5,031 and 11,895

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Solution

The third proportional to 5,031 and 11,895 is: 28,123.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031 : 11,895 = 11,895 : x
  2. Step 2: Convert to fraction form
    5,031/11,895 = 11,895/x
  3. Step 3: Cross multiply
    5,031x = 11,895 × 11,895
  4. Step 4: Simplify right side
    5,031x = 141,491,025
  5. Step 5: Solve for x
    x = 141,491,025/5,031
  6. Step 6: Final answer
    x = 28,123.84

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.