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Finding the Third Proportional to 21,135.38 and 44,628.19

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Solution

The third proportional to 21,135.38 and 44,628.19 is: 94,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,135.38 : 44,628.19 = 44,628.19 : x
  2. Step 2: Convert to fraction form
    21,135.38/44,628.19 = 44,628.19/x
  3. Step 3: Cross multiply
    21,135.38x = 44,628.19 × 44,628.19
  4. Step 4: Simplify right side
    21,135.38x = 1,991,675,119.54
  5. Step 5: Solve for x
    x = 1,991,675,119.54/21,135.38
  6. Step 6: Final answer
    x = 94,234.20

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.