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Finding the Third Proportional to 86,258 and 182,884

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Solution

The third proportional to 86,258 and 182,884 is: 387,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,258 : 182,884 = 182,884 : x
  2. Step 2: Convert to fraction form
    86,258/182,884 = 182,884/x
  3. Step 3: Cross multiply
    86,258x = 182,884 × 182,884
  4. Step 4: Simplify right side
    86,258x = 33,446,557,456
  5. Step 5: Solve for x
    x = 33,446,557,456/86,258
  6. Step 6: Final answer
    x = 387,750.21

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.