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Finding the Third Proportional to 50,069 and 77,975

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Solution

The third proportional to 50,069 and 77,975 is: 121,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,069 : 77,975 = 77,975 : x
  2. Step 2: Convert to fraction form
    50,069/77,975 = 77,975/x
  3. Step 3: Cross multiply
    50,069x = 77,975 × 77,975
  4. Step 4: Simplify right side
    50,069x = 6,080,100,625
  5. Step 5: Solve for x
    x = 6,080,100,625/50,069
  6. Step 6: Final answer
    x = 121,434.43

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