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Finding the Third Proportional to 168,578 and 358,610

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Solution

The third proportional to 168,578 and 358,610 is: 762,858.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,578 : 358,610 = 358,610 : x
  2. Step 2: Convert to fraction form
    168,578/358,610 = 358,610/x
  3. Step 3: Cross multiply
    168,578x = 358,610 × 358,610
  4. Step 4: Simplify right side
    168,578x = 128,601,132,100
  5. Step 5: Solve for x
    x = 128,601,132,100/168,578
  6. Step 6: Final answer
    x = 762,858.33

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.