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Finding the Third Proportional to 50,073 and 70,431.75

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Solution

The third proportional to 50,073 and 70,431.75 is: 99,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,073 : 70,431.75 = 70,431.75 : x
  2. Step 2: Convert to fraction form
    50,073/70,431.75 = 70,431.75/x
  3. Step 3: Cross multiply
    50,073x = 70,431.75 × 70,431.75
  4. Step 4: Simplify right side
    50,073x = 4,960,631,408.06
  5. Step 5: Solve for x
    x = 4,960,631,408.06/50,073
  6. Step 6: Final answer
    x = 99,067.99

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.