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Finding the Third Proportional to 39,311.75 and 52,374.75

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Solution

The third proportional to 39,311.75 and 52,374.75 is: 69,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,311.75 : 52,374.75 = 52,374.75 : x
  2. Step 2: Convert to fraction form
    39,311.75/52,374.75 = 52,374.75/x
  3. Step 3: Cross multiply
    39,311.75x = 52,374.75 × 52,374.75
  4. Step 4: Simplify right side
    39,311.75x = 2,743,114,437.56
  5. Step 5: Solve for x
    x = 2,743,114,437.56/39,311.75
  6. Step 6: Final answer
    x = 69,778.49

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.