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Finding the Third Proportional to 165,958 and 364,172

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Solution

The third proportional to 165,958 and 364,172 is: 799,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,958 : 364,172 = 364,172 : x
  2. Step 2: Convert to fraction form
    165,958/364,172 = 364,172/x
  3. Step 3: Cross multiply
    165,958x = 364,172 × 364,172
  4. Step 4: Simplify right side
    165,958x = 132,621,245,584
  5. Step 5: Solve for x
    x = 132,621,245,584/165,958
  6. Step 6: Final answer
    x = 799,125.35

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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.