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Finding the Third Proportional to 50,343 and 79,979

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Solution

The third proportional to 50,343 and 79,979 is: 127,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343 : 79,979 = 79,979 : x
  2. Step 2: Convert to fraction form
    50,343/79,979 = 79,979/x
  3. Step 3: Cross multiply
    50,343x = 79,979 × 79,979
  4. Step 4: Simplify right side
    50,343x = 6,396,640,441
  5. Step 5: Solve for x
    x = 6,396,640,441/50,343
  6. Step 6: Final answer
    x = 127,061.17

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.