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Finding the Third Proportional to 140,083.50 and 209,629.50

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Solution

The third proportional to 140,083.50 and 209,629.50 is: 313,702.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083.50 : 209,629.50 = 209,629.50 : x
  2. Step 2: Convert to fraction form
    140,083.50/209,629.50 = 209,629.50/x
  3. Step 3: Cross multiply
    140,083.50x = 209,629.50 × 209,629.50
  4. Step 4: Simplify right side
    140,083.50x = 43,944,527,270.25
  5. Step 5: Solve for x
    x = 43,944,527,270.25/140,083.50
  6. Step 6: Final answer
    x = 313,702.38

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