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Finding the Third Proportional to 68,677,993 and 149,283,866

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Solution

The third proportional to 68,677,993 and 149,283,866 is: 324,495,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,677,993 : 149,283,866 = 149,283,866 : x
  2. Step 2: Convert to fraction form
    68,677,993/149,283,866 = 149,283,866/x
  3. Step 3: Cross multiply
    68,677,993x = 149,283,866 × 149,283,866
  4. Step 4: Simplify right side
    68,677,993x = 22,285,672,647,905,956
  5. Step 5: Solve for x
    x = 22,285,672,647,905,956/68,677,993
  6. Step 6: Final answer
    x = 324,495,106.43

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.