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Finding the Third Proportional to 18,379,888 and 40,101,998

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Solution

The third proportional to 18,379,888 and 40,101,998 is: 87,496,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,888 : 40,101,998 = 40,101,998 : x
  2. Step 2: Convert to fraction form
    18,379,888/40,101,998 = 40,101,998/x
  3. Step 3: Cross multiply
    18,379,888x = 40,101,998 × 40,101,998
  4. Step 4: Simplify right side
    18,379,888x = 1,608,170,243,592,004
  5. Step 5: Solve for x
    x = 1,608,170,243,592,004/18,379,888
  6. Step 6: Final answer
    x = 87,496,193.86

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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.