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Finding the Third Proportional to 1,637,379 and 2,489,116

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Solution

The third proportional to 1,637,379 and 2,489,116 is: 3,783,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,379 : 2,489,116 = 2,489,116 : x
  2. Step 2: Convert to fraction form
    1,637,379/2,489,116 = 2,489,116/x
  3. Step 3: Cross multiply
    1,637,379x = 2,489,116 × 2,489,116
  4. Step 4: Simplify right side
    1,637,379x = 6,195,698,461,456
  5. Step 5: Solve for x
    x = 6,195,698,461,456/1,637,379
  6. Step 6: Final answer
    x = 3,783,912.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.