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Finding the Third Proportional to 8,584 and 20,272

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Solution

The third proportional to 8,584 and 20,272 is: 47,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584 : 20,272 = 20,272 : x
  2. Step 2: Convert to fraction form
    8,584/20,272 = 20,272/x
  3. Step 3: Cross multiply
    8,584x = 20,272 × 20,272
  4. Step 4: Simplify right side
    8,584x = 410,953,984
  5. Step 5: Solve for x
    x = 410,953,984/8,584
  6. Step 6: Final answer
    x = 47,874.42

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.