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Finding the Third Proportional to 8,624 and 20,760

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Solution

The third proportional to 8,624 and 20,760 is: 49,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624 : 20,760 = 20,760 : x
  2. Step 2: Convert to fraction form
    8,624/20,760 = 20,760/x
  3. Step 3: Cross multiply
    8,624x = 20,760 × 20,760
  4. Step 4: Simplify right side
    8,624x = 430,977,600
  5. Step 5: Solve for x
    x = 430,977,600/8,624
  6. Step 6: Final answer
    x = 49,974.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.