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Finding the Third Proportional to 50,433.50 and 75,868

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Solution

The third proportional to 50,433.50 and 75,868 is: 114,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,433.50 : 75,868 = 75,868 : x
  2. Step 2: Convert to fraction form
    50,433.50/75,868 = 75,868/x
  3. Step 3: Cross multiply
    50,433.50x = 75,868 × 75,868
  4. Step 4: Simplify right side
    50,433.50x = 5,755,953,424
  5. Step 5: Solve for x
    x = 5,755,953,424/50,433.50
  6. Step 6: Final answer
    x = 114,129.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.