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Finding the Third Proportional to 3,977,494,607 and 5,530,388,324

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Solution

The third proportional to 3,977,494,607 and 5,530,388,324 is: 7,689,562,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,494,607 : 5,530,388,324 = 5,530,388,324 : x
  2. Step 2: Convert to fraction form
    3,977,494,607/5,530,388,324 = 5,530,388,324/x
  3. Step 3: Cross multiply
    3,977,494,607x = 5,530,388,324 × 5,530,388,324
  4. Step 4: Simplify right side
    3,977,494,607x = 30,585,195,014,235,529,216
  5. Step 5: Solve for x
    x = 30,585,195,014,235,529,216/3,977,494,607
  6. Step 6: Final answer
    x = 7,689,562,912.39

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.