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Finding the Third Proportional to 41,928 and 91,344

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Solution

The third proportional to 41,928 and 91,344 is: 199,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,928 : 91,344 = 91,344 : x
  2. Step 2: Convert to fraction form
    41,928/91,344 = 91,344/x
  3. Step 3: Cross multiply
    41,928x = 91,344 × 91,344
  4. Step 4: Simplify right side
    41,928x = 8,343,726,336
  5. Step 5: Solve for x
    x = 8,343,726,336/41,928
  6. Step 6: Final answer
    x = 199,001.30

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.