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Finding the Third Proportional to 416,716.50 and 622,329.75

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Solution

The third proportional to 416,716.50 and 622,329.75 is: 929,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,716.50 : 622,329.75 = 622,329.75 : x
  2. Step 2: Convert to fraction form
    416,716.50/622,329.75 = 622,329.75/x
  3. Step 3: Cross multiply
    416,716.50x = 622,329.75 × 622,329.75
  4. Step 4: Simplify right side
    416,716.50x = 387,294,317,735.06
  5. Step 5: Solve for x
    x = 387,294,317,735.06/416,716.50
  6. Step 6: Final answer
    x = 929,395.21

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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.