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Finding the Third Proportional to 41,139,905 and 87,747,309.50

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Solution

The third proportional to 41,139,905 and 87,747,309.50 is: 187,156,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139,905 : 87,747,309.50 = 87,747,309.50 : x
  2. Step 2: Convert to fraction form
    41,139,905/87,747,309.50 = 87,747,309.50/x
  3. Step 3: Cross multiply
    41,139,905x = 87,747,309.50 × 87,747,309.50
  4. Step 4: Simplify right side
    41,139,905x = 7,699,590,324,488,790
  5. Step 5: Solve for x
    x = 7,699,590,324,488,790/41,139,905
  6. Step 6: Final answer
    x = 187,156,249.50

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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.