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Finding the Third Proportional to 7,268,912,669 and 15,811,413,610

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Solution

The third proportional to 7,268,912,669 and 15,811,413,610 is: 34,393,149,530.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,912,669 : 15,811,413,610 = 15,811,413,610 : x
  2. Step 2: Convert to fraction form
    7,268,912,669/15,811,413,610 = 15,811,413,610/x
  3. Step 3: Cross multiply
    7,268,912,669x = 15,811,413,610 × 15,811,413,610
  4. Step 4: Simplify right side
    7,268,912,669x = 250,000,800,346,493,222,912
  5. Step 5: Solve for x
    x = 250,000,800,346,493,222,912/7,268,912,669
  6. Step 6: Final answer
    x = 34,393,149,530.15

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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.