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Finding the Third Proportional to 5,089 and 10,503

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Solution

The third proportional to 5,089 and 10,503 is: 21,676.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089 : 10,503 = 10,503 : x
  2. Step 2: Convert to fraction form
    5,089/10,503 = 10,503/x
  3. Step 3: Cross multiply
    5,089x = 10,503 × 10,503
  4. Step 4: Simplify right side
    5,089x = 110,313,009
  5. Step 5: Solve for x
    x = 110,313,009/5,089
  6. Step 6: Final answer
    x = 21,676.76

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.