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Finding the Third Proportional to 121,833 and 182,749.50

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Solution

The third proportional to 121,833 and 182,749.50 is: 274,124.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,833 : 182,749.50 = 182,749.50 : x
  2. Step 2: Convert to fraction form
    121,833/182,749.50 = 182,749.50/x
  3. Step 3: Cross multiply
    121,833x = 182,749.50 × 182,749.50
  4. Step 4: Simplify right side
    121,833x = 33,397,379,750.25
  5. Step 5: Solve for x
    x = 33,397,379,750.25/121,833
  6. Step 6: Final answer
    x = 274,124.25

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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.