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Finding the Third Proportional to 8,356 and 17,861

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Solution

The third proportional to 8,356 and 17,861 is: 38,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356 : 17,861 = 17,861 : x
  2. Step 2: Convert to fraction form
    8,356/17,861 = 17,861/x
  3. Step 3: Cross multiply
    8,356x = 17,861 × 17,861
  4. Step 4: Simplify right side
    8,356x = 319,015,321
  5. Step 5: Solve for x
    x = 319,015,321/8,356
  6. Step 6: Final answer
    x = 38,177.99

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.