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Finding the Third Proportional to 86,256 and 182,763

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Solution

The third proportional to 86,256 and 182,763 is: 387,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,256 : 182,763 = 182,763 : x
  2. Step 2: Convert to fraction form
    86,256/182,763 = 182,763/x
  3. Step 3: Cross multiply
    86,256x = 182,763 × 182,763
  4. Step 4: Simplify right side
    86,256x = 33,402,314,169
  5. Step 5: Solve for x
    x = 33,402,314,169/86,256
  6. Step 6: Final answer
    x = 387,246.27

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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.