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Finding the Third Proportional to 8,255 and 12,383

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Solution

The third proportional to 8,255 and 12,383 is: 18,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255 : 12,383 = 12,383 : x
  2. Step 2: Convert to fraction form
    8,255/12,383 = 12,383/x
  3. Step 3: Cross multiply
    8,255x = 12,383 × 12,383
  4. Step 4: Simplify right side
    8,255x = 153,338,689
  5. Step 5: Solve for x
    x = 153,338,689/8,255
  6. Step 6: Final answer
    x = 18,575.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.