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Finding the Third Proportional to 699,796,639.50 and 1,503,444,991.50

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Solution

The third proportional to 699,796,639.50 and 1,503,444,991.50 is: 3,230,005,282.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,796,639.50 : 1,503,444,991.50 = 1,503,444,991.50 : x
  2. Step 2: Convert to fraction form
    699,796,639.50/1,503,444,991.50 = 1,503,444,991.50/x
  3. Step 3: Cross multiply
    699,796,639.50x = 1,503,444,991.50 × 1,503,444,991.50
  4. Step 4: Simplify right side
    699,796,639.50x = 2,260,346,842,466,435,072
  5. Step 5: Solve for x
    x = 2,260,346,842,466,435,072/699,796,639.50
  6. Step 6: Final answer
    x = 3,230,005,282.79

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.