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Finding the Third Proportional to 603,153.75 and 918,881.25

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Solution

The third proportional to 603,153.75 and 918,881.25 is: 1,399,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,153.75 : 918,881.25 = 918,881.25 : x
  2. Step 2: Convert to fraction form
    603,153.75/918,881.25 = 918,881.25/x
  3. Step 3: Cross multiply
    603,153.75x = 918,881.25 × 918,881.25
  4. Step 4: Simplify right side
    603,153.75x = 844,342,751,601.56
  5. Step 5: Solve for x
    x = 844,342,751,601.56/603,153.75
  6. Step 6: Final answer
    x = 1,399,879.80

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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.