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Finding the Third Proportional to 3,230,621,217 and 7,027,276,913

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Solution

The third proportional to 3,230,621,217 and 7,027,276,913 is: 15,285,797,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,621,217 : 7,027,276,913 = 7,027,276,913 : x
  2. Step 2: Convert to fraction form
    3,230,621,217/7,027,276,913 = 7,027,276,913/x
  3. Step 3: Cross multiply
    3,230,621,217x = 7,027,276,913 × 7,027,276,913
  4. Step 4: Simplify right side
    3,230,621,217x = 49,382,620,811,982,807,040
  5. Step 5: Solve for x
    x = 49,382,620,811,982,807,040/3,230,621,217
  6. Step 6: Final answer
    x = 15,285,797,218.23

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.