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Finding the Third Proportional to 13,579 and 19,882

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Solution

The third proportional to 13,579 and 19,882 is: 29,110.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579 : 19,882 = 19,882 : x
  2. Step 2: Convert to fraction form
    13,579/19,882 = 19,882/x
  3. Step 3: Cross multiply
    13,579x = 19,882 × 19,882
  4. Step 4: Simplify right side
    13,579x = 395,293,924
  5. Step 5: Solve for x
    x = 395,293,924/13,579
  6. Step 6: Final answer
    x = 29,110.68

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.