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Finding the Third Proportional to 423,650.50 and 622,503.75

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Solution

The third proportional to 423,650.50 and 622,503.75 is: 914,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,650.50 : 622,503.75 = 622,503.75 : x
  2. Step 2: Convert to fraction form
    423,650.50/622,503.75 = 622,503.75/x
  3. Step 3: Cross multiply
    423,650.50x = 622,503.75 × 622,503.75
  4. Step 4: Simplify right side
    423,650.50x = 387,510,918,764.06
  5. Step 5: Solve for x
    x = 387,510,918,764.06/423,650.50
  6. Step 6: Final answer
    x = 914,694.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.