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Finding the Third Proportional to 77,882,539 and 166,189,251

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Solution

The third proportional to 77,882,539 and 166,189,251 is: 354,622,069.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,882,539 : 166,189,251 = 166,189,251 : x
  2. Step 2: Convert to fraction form
    77,882,539/166,189,251 = 166,189,251/x
  3. Step 3: Cross multiply
    77,882,539x = 166,189,251 × 166,189,251
  4. Step 4: Simplify right side
    77,882,539x = 27,618,867,147,941,000
  5. Step 5: Solve for x
    x = 27,618,867,147,941,000/77,882,539
  6. Step 6: Final answer
    x = 354,622,069.37

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.