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Finding the Third Proportional to 91,173 and 196,923

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Solution

The third proportional to 91,173 and 196,923 is: 425,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,173 : 196,923 = 196,923 : x
  2. Step 2: Convert to fraction form
    91,173/196,923 = 196,923/x
  3. Step 3: Cross multiply
    91,173x = 196,923 × 196,923
  4. Step 4: Simplify right side
    91,173x = 38,778,667,929
  5. Step 5: Solve for x
    x = 38,778,667,929/91,173
  6. Step 6: Final answer
    x = 425,330.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.