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Finding the Third Proportional to 43,885 and 66,214

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Solution

The third proportional to 43,885 and 66,214 is: 99,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,885 : 66,214 = 66,214 : x
  2. Step 2: Convert to fraction form
    43,885/66,214 = 66,214/x
  3. Step 3: Cross multiply
    43,885x = 66,214 × 66,214
  4. Step 4: Simplify right side
    43,885x = 4,384,293,796
  5. Step 5: Solve for x
    x = 4,384,293,796/43,885
  6. Step 6: Final answer
    x = 99,904.15

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.