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Finding the Third Proportional to 8,812 and 18,524

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Solution

The third proportional to 8,812 and 18,524 is: 38,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812 : 18,524 = 18,524 : x
  2. Step 2: Convert to fraction form
    8,812/18,524 = 18,524/x
  3. Step 3: Cross multiply
    8,812x = 18,524 × 18,524
  4. Step 4: Simplify right side
    8,812x = 343,138,576
  5. Step 5: Solve for x
    x = 343,138,576/8,812
  6. Step 6: Final answer
    x = 38,939.92

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.