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Finding the Third Proportional to 13,711 and 19,414

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Solution

The third proportional to 13,711 and 19,414 is: 27,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711 : 19,414 = 19,414 : x
  2. Step 2: Convert to fraction form
    13,711/19,414 = 19,414/x
  3. Step 3: Cross multiply
    13,711x = 19,414 × 19,414
  4. Step 4: Simplify right side
    13,711x = 376,903,396
  5. Step 5: Solve for x
    x = 376,903,396/13,711
  6. Step 6: Final answer
    x = 27,489.13

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.