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Finding the Third Proportional to 322,406,974 and 699,552,372

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Solution

The third proportional to 322,406,974 and 699,552,372 is: 1,517,875,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,406,974 : 699,552,372 = 699,552,372 : x
  2. Step 2: Convert to fraction form
    322,406,974/699,552,372 = 699,552,372/x
  3. Step 3: Cross multiply
    322,406,974x = 699,552,372 × 699,552,372
  4. Step 4: Simplify right side
    322,406,974x = 489,373,521,170,826,368
  5. Step 5: Solve for x
    x = 489,373,521,170,826,368/322,406,974
  6. Step 6: Final answer
    x = 1,517,875,110.14

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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.