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Finding the Third Proportional to 10,074 and 20,454

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Solution

The third proportional to 10,074 and 20,454 is: 41,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074 : 20,454 = 20,454 : x
  2. Step 2: Convert to fraction form
    10,074/20,454 = 20,454/x
  3. Step 3: Cross multiply
    10,074x = 20,454 × 20,454
  4. Step 4: Simplify right side
    10,074x = 418,366,116
  5. Step 5: Solve for x
    x = 418,366,116/10,074
  6. Step 6: Final answer
    x = 41,529.29

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.