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Finding the Third Proportional to 303,933.75 and 661,380.75

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Solution

The third proportional to 303,933.75 and 661,380.75 is: 1,439,210.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,933.75 : 661,380.75 = 661,380.75 : x
  2. Step 2: Convert to fraction form
    303,933.75/661,380.75 = 661,380.75/x
  3. Step 3: Cross multiply
    303,933.75x = 661,380.75 × 661,380.75
  4. Step 4: Simplify right side
    303,933.75x = 437,424,496,470.56
  5. Step 5: Solve for x
    x = 437,424,496,470.56/303,933.75
  6. Step 6: Final answer
    x = 1,439,210.01

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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.