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Finding the Third Proportional to 11,797 and 18,413

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Solution

The third proportional to 11,797 and 18,413 is: 28,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,797 : 18,413 = 18,413 : x
  2. Step 2: Convert to fraction form
    11,797/18,413 = 18,413/x
  3. Step 3: Cross multiply
    11,797x = 18,413 × 18,413
  4. Step 4: Simplify right side
    11,797x = 339,038,569
  5. Step 5: Solve for x
    x = 339,038,569/11,797
  6. Step 6: Final answer
    x = 28,739.39

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.