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Finding the Third Proportional to 29,839 and 40,381.50

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Solution

The third proportional to 29,839 and 40,381.50 is: 54,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,839 : 40,381.50 = 40,381.50 : x
  2. Step 2: Convert to fraction form
    29,839/40,381.50 = 40,381.50/x
  3. Step 3: Cross multiply
    29,839x = 40,381.50 × 40,381.50
  4. Step 4: Simplify right side
    29,839x = 1,630,665,542.25
  5. Step 5: Solve for x
    x = 1,630,665,542.25/29,839
  6. Step 6: Final answer
    x = 54,648.80

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.