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Finding the Third Proportional to 322,278 and 699,924

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Solution

The third proportional to 322,278 and 699,924 is: 1,520,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,278 : 699,924 = 699,924 : x
  2. Step 2: Convert to fraction form
    322,278/699,924 = 699,924/x
  3. Step 3: Cross multiply
    322,278x = 699,924 × 699,924
  4. Step 4: Simplify right side
    322,278x = 489,893,605,776
  5. Step 5: Solve for x
    x = 489,893,605,776/322,278
  6. Step 6: Final answer
    x = 1,520,096.33

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.