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Finding the Third Proportional to 20,018 and 43,454

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Solution

The third proportional to 20,018 and 43,454 is: 94,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018 : 43,454 = 43,454 : x
  2. Step 2: Convert to fraction form
    20,018/43,454 = 43,454/x
  3. Step 3: Cross multiply
    20,018x = 43,454 × 43,454
  4. Step 4: Simplify right side
    20,018x = 1,888,250,116
  5. Step 5: Solve for x
    x = 1,888,250,116/20,018
  6. Step 6: Final answer
    x = 94,327.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.