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Finding the Third Proportional to 5,357 and 10,975

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Solution

The third proportional to 5,357 and 10,975 is: 22,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357 : 10,975 = 10,975 : x
  2. Step 2: Convert to fraction form
    5,357/10,975 = 10,975/x
  3. Step 3: Cross multiply
    5,357x = 10,975 × 10,975
  4. Step 4: Simplify right side
    5,357x = 120,450,625
  5. Step 5: Solve for x
    x = 120,450,625/5,357
  6. Step 6: Final answer
    x = 22,484.72

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.