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Finding the Third Proportional to 91,608 and 195,216

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Solution

The third proportional to 91,608 and 195,216 is: 416,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,608 : 195,216 = 195,216 : x
  2. Step 2: Convert to fraction form
    91,608/195,216 = 195,216/x
  3. Step 3: Cross multiply
    91,608x = 195,216 × 195,216
  4. Step 4: Simplify right side
    91,608x = 38,109,286,656
  5. Step 5: Solve for x
    x = 38,109,286,656/91,608
  6. Step 6: Final answer
    x = 416,003.92

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.