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Finding the Third Proportional to 11,884 and 15,634

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Solution

The third proportional to 11,884 and 15,634 is: 20,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884 : 15,634 = 15,634 : x
  2. Step 2: Convert to fraction form
    11,884/15,634 = 15,634/x
  3. Step 3: Cross multiply
    11,884x = 15,634 × 15,634
  4. Step 4: Simplify right side
    11,884x = 244,421,956
  5. Step 5: Solve for x
    x = 244,421,956/11,884
  6. Step 6: Final answer
    x = 20,567.31

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.