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Finding the Third Proportional to 40,022 and 86,251

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Solution

The third proportional to 40,022 and 86,251 is: 185,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022 : 86,251 = 86,251 : x
  2. Step 2: Convert to fraction form
    40,022/86,251 = 86,251/x
  3. Step 3: Cross multiply
    40,022x = 86,251 × 86,251
  4. Step 4: Simplify right side
    40,022x = 7,439,235,001
  5. Step 5: Solve for x
    x = 7,439,235,001/40,022
  6. Step 6: Final answer
    x = 185,878.64

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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.