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Finding the Third Proportional to 18,586,183 and 40,260,815

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Solution

The third proportional to 18,586,183 and 40,260,815 is: 87,211,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586,183 : 40,260,815 = 40,260,815 : x
  2. Step 2: Convert to fraction form
    18,586,183/40,260,815 = 40,260,815/x
  3. Step 3: Cross multiply
    18,586,183x = 40,260,815 × 40,260,815
  4. Step 4: Simplify right side
    18,586,183x = 1,620,933,224,464,225
  5. Step 5: Solve for x
    x = 1,620,933,224,464,225/18,586,183
  6. Step 6: Final answer
    x = 87,211,732.74

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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.