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Finding the Third Proportional to 170,289 and 357,696

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Solution

The third proportional to 170,289 and 357,696 is: 751,348.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,289 : 357,696 = 357,696 : x
  2. Step 2: Convert to fraction form
    170,289/357,696 = 357,696/x
  3. Step 3: Cross multiply
    170,289x = 357,696 × 357,696
  4. Step 4: Simplify right side
    170,289x = 127,946,428,416
  5. Step 5: Solve for x
    x = 127,946,428,416/170,289
  6. Step 6: Final answer
    x = 751,348.76

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.