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Finding the Third Proportional to 3,888 and 8,914

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Solution

The third proportional to 3,888 and 8,914 is: 20,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888 : 8,914 = 8,914 : x
  2. Step 2: Convert to fraction form
    3,888/8,914 = 8,914/x
  3. Step 3: Cross multiply
    3,888x = 8,914 × 8,914
  4. Step 4: Simplify right side
    3,888x = 79,459,396
  5. Step 5: Solve for x
    x = 79,459,396/3,888
  6. Step 6: Final answer
    x = 20,437.09

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Why These Related Problems?

These problems maintain the same ratio (2.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.