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Finding the Third Proportional to 225,220.50 and 335,400.75

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Solution

The third proportional to 225,220.50 and 335,400.75 is: 499,482.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,220.50 : 335,400.75 = 335,400.75 : x
  2. Step 2: Convert to fraction form
    225,220.50/335,400.75 = 335,400.75/x
  3. Step 3: Cross multiply
    225,220.50x = 335,400.75 × 335,400.75
  4. Step 4: Simplify right side
    225,220.50x = 112,493,663,100.56
  5. Step 5: Solve for x
    x = 112,493,663,100.56/225,220.50
  6. Step 6: Final answer
    x = 499,482.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.