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Finding the Third Proportional to 4,876 and 9,914

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Solution

The third proportional to 4,876 and 9,914 is: 20,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876 : 9,914 = 9,914 : x
  2. Step 2: Convert to fraction form
    4,876/9,914 = 9,914/x
  3. Step 3: Cross multiply
    4,876x = 9,914 × 9,914
  4. Step 4: Simplify right side
    4,876x = 98,287,396
  5. Step 5: Solve for x
    x = 98,287,396/4,876
  6. Step 6: Final answer
    x = 20,157.38

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.