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Finding the Third Proportional to 8,343 and 17,910

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Solution

The third proportional to 8,343 and 17,910 is: 38,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343 : 17,910 = 17,910 : x
  2. Step 2: Convert to fraction form
    8,343/17,910 = 17,910/x
  3. Step 3: Cross multiply
    8,343x = 17,910 × 17,910
  4. Step 4: Simplify right side
    8,343x = 320,768,100
  5. Step 5: Solve for x
    x = 320,768,100/8,343
  6. Step 6: Final answer
    x = 38,447.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.