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Finding the Third Proportional to 3,872 and 8,526

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Solution

The third proportional to 3,872 and 8,526 is: 18,773.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872 : 8,526 = 8,526 : x
  2. Step 2: Convert to fraction form
    3,872/8,526 = 8,526/x
  3. Step 3: Cross multiply
    3,872x = 8,526 × 8,526
  4. Step 4: Simplify right side
    3,872x = 72,692,676
  5. Step 5: Solve for x
    x = 72,692,676/3,872
  6. Step 6: Final answer
    x = 18,773.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.