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Finding the Third Proportional to 70,032 and 91,923

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Solution

The third proportional to 70,032 and 91,923 is: 120,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,032 : 91,923 = 91,923 : x
  2. Step 2: Convert to fraction form
    70,032/91,923 = 91,923/x
  3. Step 3: Cross multiply
    70,032x = 91,923 × 91,923
  4. Step 4: Simplify right side
    70,032x = 8,449,837,929
  5. Step 5: Solve for x
    x = 8,449,837,929/70,032
  6. Step 6: Final answer
    x = 120,656.81

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.