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Finding the Third Proportional to 193,005 and 418,212

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Solution

The third proportional to 193,005 and 418,212 is: 906,200.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,005 : 418,212 = 418,212 : x
  2. Step 2: Convert to fraction form
    193,005/418,212 = 418,212/x
  3. Step 3: Cross multiply
    193,005x = 418,212 × 418,212
  4. Step 4: Simplify right side
    193,005x = 174,901,276,944
  5. Step 5: Solve for x
    x = 174,901,276,944/193,005
  6. Step 6: Final answer
    x = 906,200.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.