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Finding the Third Proportional to 322,406,607 and 699,551,631

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Solution

The third proportional to 322,406,607 and 699,551,631 is: 1,517,873,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,406,607 : 699,551,631 = 699,551,631 : x
  2. Step 2: Convert to fraction form
    322,406,607/699,551,631 = 699,551,631/x
  3. Step 3: Cross multiply
    322,406,607x = 699,551,631 × 699,551,631
  4. Step 4: Simplify right side
    322,406,607x = 489,372,484,434,760,192
  5. Step 5: Solve for x
    x = 489,372,484,434,760,192/322,406,607
  6. Step 6: Final answer
    x = 1,517,873,622.34

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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.