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Finding the Third Proportional to 140,560.50 and 200,328.75

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Solution

The third proportional to 140,560.50 and 200,328.75 is: 285,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,560.50 : 200,328.75 = 200,328.75 : x
  2. Step 2: Convert to fraction form
    140,560.50/200,328.75 = 200,328.75/x
  3. Step 3: Cross multiply
    140,560.50x = 200,328.75 × 200,328.75
  4. Step 4: Simplify right side
    140,560.50x = 40,131,608,076.56
  5. Step 5: Solve for x
    x = 40,131,608,076.56/140,560.50
  6. Step 6: Final answer
    x = 285,511.28

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.