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Finding the Third Proportional to 189,249 and 413,922

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Solution

The third proportional to 189,249 and 413,922 is: 905,322.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,249 : 413,922 = 413,922 : x
  2. Step 2: Convert to fraction form
    189,249/413,922 = 413,922/x
  3. Step 3: Cross multiply
    189,249x = 413,922 × 413,922
  4. Step 4: Simplify right side
    189,249x = 171,331,422,084
  5. Step 5: Solve for x
    x = 171,331,422,084/189,249
  6. Step 6: Final answer
    x = 905,322.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.