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Finding the Third Proportional to 84,886 and 131,022

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Solution

The third proportional to 84,886 and 131,022 is: 202,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,886 : 131,022 = 131,022 : x
  2. Step 2: Convert to fraction form
    84,886/131,022 = 131,022/x
  3. Step 3: Cross multiply
    84,886x = 131,022 × 131,022
  4. Step 4: Simplify right side
    84,886x = 17,166,764,484
  5. Step 5: Solve for x
    x = 17,166,764,484/84,886
  6. Step 6: Final answer
    x = 202,233.17

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.