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Finding the Third Proportional to 20,224 and 43,760

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Solution

The third proportional to 20,224 and 43,760 is: 94,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224 : 43,760 = 43,760 : x
  2. Step 2: Convert to fraction form
    20,224/43,760 = 43,760/x
  3. Step 3: Cross multiply
    20,224x = 43,760 × 43,760
  4. Step 4: Simplify right side
    20,224x = 1,914,937,600
  5. Step 5: Solve for x
    x = 1,914,937,600/20,224
  6. Step 6: Final answer
    x = 94,686.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.