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Finding the Third Proportional to 70,280.37 and 100,163.46

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Solution

The third proportional to 70,280.37 and 100,163.46 is: 142,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,280.37 : 100,163.46 = 100,163.46 : x
  2. Step 2: Convert to fraction form
    70,280.37/100,163.46 = 100,163.46/x
  3. Step 3: Cross multiply
    70,280.37x = 100,163.46 × 100,163.46
  4. Step 4: Simplify right side
    70,280.37x = 10,032,718,906.98
  5. Step 5: Solve for x
    x = 10,032,718,906.98/70,280.37
  6. Step 6: Final answer
    x = 142,752.80

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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.