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Finding the Third Proportional to 18,409,311 and 40,050,753

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Solution

The third proportional to 18,409,311 and 40,050,753 is: 87,133,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,311 : 40,050,753 = 40,050,753 : x
  2. Step 2: Convert to fraction form
    18,409,311/40,050,753 = 40,050,753/x
  3. Step 3: Cross multiply
    18,409,311x = 40,050,753 × 40,050,753
  4. Step 4: Simplify right side
    18,409,311x = 1,604,062,815,867,009
  5. Step 5: Solve for x
    x = 1,604,062,815,867,009/18,409,311
  6. Step 6: Final answer
    x = 87,133,234.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.