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Finding the Third Proportional to 191,310 and 417,067

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Solution

The third proportional to 191,310 and 417,067 is: 909,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,310 : 417,067 = 417,067 : x
  2. Step 2: Convert to fraction form
    191,310/417,067 = 417,067/x
  3. Step 3: Cross multiply
    191,310x = 417,067 × 417,067
  4. Step 4: Simplify right side
    191,310x = 173,944,882,489
  5. Step 5: Solve for x
    x = 173,944,882,489/191,310
  6. Step 6: Final answer
    x = 909,230.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.