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Finding the Third Proportional to 29,329 and 39,847

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Solution

The third proportional to 29,329 and 39,847 is: 54,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329 : 39,847 = 39,847 : x
  2. Step 2: Convert to fraction form
    29,329/39,847 = 39,847/x
  3. Step 3: Cross multiply
    29,329x = 39,847 × 39,847
  4. Step 4: Simplify right side
    29,329x = 1,587,783,409
  5. Step 5: Solve for x
    x = 1,587,783,409/29,329
  6. Step 6: Final answer
    x = 54,136.98

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.