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Finding the Third Proportional to 121,986 and 182,736

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Solution

The third proportional to 121,986 and 182,736 is: 273,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,986 : 182,736 = 182,736 : x
  2. Step 2: Convert to fraction form
    121,986/182,736 = 182,736/x
  3. Step 3: Cross multiply
    121,986x = 182,736 × 182,736
  4. Step 4: Simplify right side
    121,986x = 33,392,445,696
  5. Step 5: Solve for x
    x = 33,392,445,696/121,986
  6. Step 6: Final answer
    x = 273,739.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.