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Finding the Third Proportional to 13,337 and 20,916

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Solution

The third proportional to 13,337 and 20,916 is: 32,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337 : 20,916 = 20,916 : x
  2. Step 2: Convert to fraction form
    13,337/20,916 = 20,916/x
  3. Step 3: Cross multiply
    13,337x = 20,916 × 20,916
  4. Step 4: Simplify right side
    13,337x = 437,479,056
  5. Step 5: Solve for x
    x = 437,479,056/13,337
  6. Step 6: Final answer
    x = 32,801.91

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.