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Finding the Third Proportional to 20,790 and 44,908

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Solution

The third proportional to 20,790 and 44,908 is: 97,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,790 : 44,908 = 44,908 : x
  2. Step 2: Convert to fraction form
    20,790/44,908 = 44,908/x
  3. Step 3: Cross multiply
    20,790x = 44,908 × 44,908
  4. Step 4: Simplify right side
    20,790x = 2,016,728,464
  5. Step 5: Solve for x
    x = 2,016,728,464/20,790
  6. Step 6: Final answer
    x = 97,004.74

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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.