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Finding the Third Proportional to 121,826 and 182,739

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Solution

The third proportional to 121,826 and 182,739 is: 274,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,826 : 182,739 = 182,739 : x
  2. Step 2: Convert to fraction form
    121,826/182,739 = 182,739/x
  3. Step 3: Cross multiply
    121,826x = 182,739 × 182,739
  4. Step 4: Simplify right side
    121,826x = 33,393,542,121
  5. Step 5: Solve for x
    x = 33,393,542,121/121,826
  6. Step 6: Final answer
    x = 274,108.50

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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.