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Finding the Third Proportional to 618,690 and 1,351,012

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Solution

The third proportional to 618,690 and 1,351,012 is: 2,950,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,690 : 1,351,012 = 1,351,012 : x
  2. Step 2: Convert to fraction form
    618,690/1,351,012 = 1,351,012/x
  3. Step 3: Cross multiply
    618,690x = 1,351,012 × 1,351,012
  4. Step 4: Simplify right side
    618,690x = 1,825,233,424,144
  5. Step 5: Solve for x
    x = 1,825,233,424,144/618,690
  6. Step 6: Final answer
    x = 2,950,158.28

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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.