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Finding the Third Proportional to 322,362.28 and 436,245.75

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Solution

The third proportional to 322,362.28 and 436,245.75 is: 590,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,362.28 : 436,245.75 = 436,245.75 : x
  2. Step 2: Convert to fraction form
    322,362.28/436,245.75 = 436,245.75/x
  3. Step 3: Cross multiply
    322,362.28x = 436,245.75 × 436,245.75
  4. Step 4: Simplify right side
    322,362.28x = 190,310,354,393.06
  5. Step 5: Solve for x
    x = 190,310,354,393.06/322,362.28
  6. Step 6: Final answer
    x = 590,361.73

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.