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Finding the Third Proportional to 439,066 and 662,059

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Solution

The third proportional to 439,066 and 662,059 is: 998,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,066 : 662,059 = 662,059 : x
  2. Step 2: Convert to fraction form
    439,066/662,059 = 662,059/x
  3. Step 3: Cross multiply
    439,066x = 662,059 × 662,059
  4. Step 4: Simplify right side
    439,066x = 438,322,119,481
  5. Step 5: Solve for x
    x = 438,322,119,481/439,066
  6. Step 6: Final answer
    x = 998,305.77

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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.