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Finding the Third Proportional to 50,838 and 79,069

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Solution

The third proportional to 50,838 and 79,069 is: 122,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,838 : 79,069 = 79,069 : x
  2. Step 2: Convert to fraction form
    50,838/79,069 = 79,069/x
  3. Step 3: Cross multiply
    50,838x = 79,069 × 79,069
  4. Step 4: Simplify right side
    50,838x = 6,251,906,761
  5. Step 5: Solve for x
    x = 6,251,906,761/50,838
  6. Step 6: Final answer
    x = 122,977.04

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.