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Finding the Third Proportional to 203,490.28 and 436,505.06

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Solution

The third proportional to 203,490.28 and 436,505.06 is: 936,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,490.28 : 436,505.06 = 436,505.06 : x
  2. Step 2: Convert to fraction form
    203,490.28/436,505.06 = 436,505.06/x
  3. Step 3: Cross multiply
    203,490.28x = 436,505.06 × 436,505.06
  4. Step 4: Simplify right side
    203,490.28x = 190,536,669,588.13
  5. Step 5: Solve for x
    x = 190,536,669,588.13/203,490.28
  6. Step 6: Final answer
    x = 936,342.85

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.