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Finding the Third Proportional to 43,859 and 66,344

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Solution

The third proportional to 43,859 and 66,344 is: 100,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,859 : 66,344 = 66,344 : x
  2. Step 2: Convert to fraction form
    43,859/66,344 = 66,344/x
  3. Step 3: Cross multiply
    43,859x = 66,344 × 66,344
  4. Step 4: Simplify right side
    43,859x = 4,401,526,336
  5. Step 5: Solve for x
    x = 4,401,526,336/43,859
  6. Step 6: Final answer
    x = 100,356.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.