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Finding the Third Proportional to 197,151.75 and 320,334.75

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Solution

The third proportional to 197,151.75 and 320,334.75 is: 520,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,151.75 : 320,334.75 = 320,334.75 : x
  2. Step 2: Convert to fraction form
    197,151.75/320,334.75 = 320,334.75/x
  3. Step 3: Cross multiply
    197,151.75x = 320,334.75 × 320,334.75
  4. Step 4: Simplify right side
    197,151.75x = 102,614,352,057.56
  5. Step 5: Solve for x
    x = 102,614,352,057.56/197,151.75
  6. Step 6: Final answer
    x = 520,484.10

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Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.