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Finding the Third Proportional to 10,236.38 and 20,881.13

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Solution

The third proportional to 10,236.38 and 20,881.13 is: 42,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.38 : 20,881.13 = 20,881.13 : x
  2. Step 2: Convert to fraction form
    10,236.38/20,881.13 = 20,881.13/x
  3. Step 3: Cross multiply
    10,236.38x = 20,881.13 × 20,881.13
  4. Step 4: Simplify right side
    10,236.38x = 436,021,381.27
  5. Step 5: Solve for x
    x = 436,021,381.27/10,236.38
  6. Step 6: Final answer
    x = 42,595.29

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.