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Finding the Third Proportional to 170,903 and 368,103

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Solution

The third proportional to 170,903 and 368,103 is: 792,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,903 : 368,103 = 368,103 : x
  2. Step 2: Convert to fraction form
    170,903/368,103 = 368,103/x
  3. Step 3: Cross multiply
    170,903x = 368,103 × 368,103
  4. Step 4: Simplify right side
    170,903x = 135,499,818,609
  5. Step 5: Solve for x
    x = 135,499,818,609/170,903
  6. Step 6: Final answer
    x = 792,846.34

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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.