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Finding the Third Proportional to 189,544 and 407,652

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Solution

The third proportional to 189,544 and 407,652 is: 876,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,544 : 407,652 = 407,652 : x
  2. Step 2: Convert to fraction form
    189,544/407,652 = 407,652/x
  3. Step 3: Cross multiply
    189,544x = 407,652 × 407,652
  4. Step 4: Simplify right side
    189,544x = 166,180,153,104
  5. Step 5: Solve for x
    x = 166,180,153,104/189,544
  6. Step 6: Final answer
    x = 876,736.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.