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Finding the Third Proportional to 87,994,755 and 129,295,183.50

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Solution

The third proportional to 87,994,755 and 129,295,183.50 is: 189,980,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994,755 : 129,295,183.50 = 129,295,183.50 : x
  2. Step 2: Convert to fraction form
    87,994,755/129,295,183.50 = 129,295,183.50/x
  3. Step 3: Cross multiply
    87,994,755x = 129,295,183.50 × 129,295,183.50
  4. Step 4: Simplify right side
    87,994,755x = 16,717,244,476,298,672
  5. Step 5: Solve for x
    x = 16,717,244,476,298,672/87,994,755
  6. Step 6: Final answer
    x = 189,980,010.47

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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.