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Finding the Third Proportional to 77,882,377 and 166,188,954

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Solution

The third proportional to 77,882,377 and 166,188,954 is: 354,621,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,882,377 : 166,188,954 = 166,188,954 : x
  2. Step 2: Convert to fraction form
    77,882,377/166,188,954 = 166,188,954/x
  3. Step 3: Cross multiply
    77,882,377x = 166,188,954 × 166,188,954
  4. Step 4: Simplify right side
    77,882,377x = 27,618,768,431,614,116
  5. Step 5: Solve for x
    x = 27,618,768,431,614,116/77,882,377
  6. Step 6: Final answer
    x = 354,621,539.50

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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.