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Finding the Third Proportional to 512,278 and 823,092

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Solution

The third proportional to 512,278 and 823,092 is: 1,322,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,278 : 823,092 = 823,092 : x
  2. Step 2: Convert to fraction form
    512,278/823,092 = 823,092/x
  3. Step 3: Cross multiply
    512,278x = 823,092 × 823,092
  4. Step 4: Simplify right side
    512,278x = 677,480,440,464
  5. Step 5: Solve for x
    x = 677,480,440,464/512,278
  6. Step 6: Final answer
    x = 1,322,485.92

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.