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Finding the Third Proportional to 167,787 and 368,730

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Solution

The third proportional to 167,787 and 368,730 is: 810,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,787 : 368,730 = 368,730 : x
  2. Step 2: Convert to fraction form
    167,787/368,730 = 368,730/x
  3. Step 3: Cross multiply
    167,787x = 368,730 × 368,730
  4. Step 4: Simplify right side
    167,787x = 135,961,812,900
  5. Step 5: Solve for x
    x = 135,961,812,900/167,787
  6. Step 6: Final answer
    x = 810,323.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.