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Finding the Third Proportional to 20,370 and 49,302

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Solution

The third proportional to 20,370 and 49,302 is: 119,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370 : 49,302 = 49,302 : x
  2. Step 2: Convert to fraction form
    20,370/49,302 = 49,302/x
  3. Step 3: Cross multiply
    20,370x = 49,302 × 49,302
  4. Step 4: Simplify right side
    20,370x = 2,430,687,204
  5. Step 5: Solve for x
    x = 2,430,687,204/20,370
  6. Step 6: Final answer
    x = 119,326.81

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.