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Finding the Third Proportional to 50,876 and 77,824

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Solution

The third proportional to 50,876 and 77,824 is: 119,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,876 : 77,824 = 77,824 : x
  2. Step 2: Convert to fraction form
    50,876/77,824 = 77,824/x
  3. Step 3: Cross multiply
    50,876x = 77,824 × 77,824
  4. Step 4: Simplify right side
    50,876x = 6,056,574,976
  5. Step 5: Solve for x
    x = 6,056,574,976/50,876
  6. Step 6: Final answer
    x = 119,045.82

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.