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Finding the Third Proportional to 41,904 and 91,190

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Solution

The third proportional to 41,904 and 91,190 is: 198,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,904 : 91,190 = 91,190 : x
  2. Step 2: Convert to fraction form
    41,904/91,190 = 91,190/x
  3. Step 3: Cross multiply
    41,904x = 91,190 × 91,190
  4. Step 4: Simplify right side
    41,904x = 8,315,616,100
  5. Step 5: Solve for x
    x = 8,315,616,100/41,904
  6. Step 6: Final answer
    x = 198,444.45

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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.