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Finding the Third Proportional to 10,236.38 and 20,823.75

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Solution

The third proportional to 10,236.38 and 20,823.75 is: 42,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.38 : 20,823.75 = 20,823.75 : x
  2. Step 2: Convert to fraction form
    10,236.38/20,823.75 = 20,823.75/x
  3. Step 3: Cross multiply
    10,236.38x = 20,823.75 × 20,823.75
  4. Step 4: Simplify right side
    10,236.38x = 433,628,564.06
  5. Step 5: Solve for x
    x = 433,628,564.06/10,236.38
  6. Step 6: Final answer
    x = 42,361.54

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.