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Finding the Third Proportional to 169,017 and 342,699

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Solution

The third proportional to 169,017 and 342,699 is: 694,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,017 : 342,699 = 342,699 : x
  2. Step 2: Convert to fraction form
    169,017/342,699 = 342,699/x
  3. Step 3: Cross multiply
    169,017x = 342,699 × 342,699
  4. Step 4: Simplify right side
    169,017x = 117,442,604,601
  5. Step 5: Solve for x
    x = 117,442,604,601/169,017
  6. Step 6: Final answer
    x = 694,856.76

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.