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Finding the Third Proportional to 202.38 and 436.94

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Solution

The third proportional to 202.38 and 436.94 is: 943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202.38 : 436.94 = 436.94 : x
  2. Step 2: Convert to fraction form
    202.38/436.94 = 436.94/x
  3. Step 3: Cross multiply
    202.38x = 436.94 × 436.94
  4. Step 4: Simplify right side
    202.38x = 190,914.38
  5. Step 5: Solve for x
    x = 190,914.38/202.38
  6. Step 6: Final answer
    x = 943.37

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.