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Finding the Third Proportional to 161,708 and 340,174

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Solution

The third proportional to 161,708 and 340,174 is: 715,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,708 : 340,174 = 340,174 : x
  2. Step 2: Convert to fraction form
    161,708/340,174 = 340,174/x
  3. Step 3: Cross multiply
    161,708x = 340,174 × 340,174
  4. Step 4: Simplify right side
    161,708x = 115,718,350,276
  5. Step 5: Solve for x
    x = 115,718,350,276/161,708
  6. Step 6: Final answer
    x = 715,600.65

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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.