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Finding the Third Proportional to 54,979,839 and 80,672,401.50

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Solution

The third proportional to 54,979,839 and 80,672,401.50 is: 118,371,324.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979,839 : 80,672,401.50 = 80,672,401.50 : x
  2. Step 2: Convert to fraction form
    54,979,839/80,672,401.50 = 80,672,401.50/x
  3. Step 3: Cross multiply
    54,979,839x = 80,672,401.50 × 80,672,401.50
  4. Step 4: Simplify right side
    54,979,839x = 6,508,036,363,777,202
  5. Step 5: Solve for x
    x = 6,508,036,363,777,202/54,979,839
  6. Step 6: Final answer
    x = 118,371,324.51

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.