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Finding the Third Proportional to 21,393 and 49,176

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Solution

The third proportional to 21,393 and 49,176 is: 113,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,393 : 49,176 = 49,176 : x
  2. Step 2: Convert to fraction form
    21,393/49,176 = 49,176/x
  3. Step 3: Cross multiply
    21,393x = 49,176 × 49,176
  4. Step 4: Simplify right side
    21,393x = 2,418,278,976
  5. Step 5: Solve for x
    x = 2,418,278,976/21,393
  6. Step 6: Final answer
    x = 113,040.67

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.