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Finding the Third Proportional to 64,057.50 and 100,198.13

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Solution

The third proportional to 64,057.50 and 100,198.13 is: 156,728.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,057.50 : 100,198.13 = 100,198.13 : x
  2. Step 2: Convert to fraction form
    64,057.50/100,198.13 = 100,198.13/x
  3. Step 3: Cross multiply
    64,057.50x = 100,198.13 × 100,198.13
  4. Step 4: Simplify right side
    64,057.50x = 10,039,664,253.52
  5. Step 5: Solve for x
    x = 10,039,664,253.52/64,057.50
  6. Step 6: Final answer
    x = 156,728.94

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.