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Finding the Third Proportional to 170,622 and 360,912

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Solution

The third proportional to 170,622 and 360,912 is: 763,427.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,622 : 360,912 = 360,912 : x
  2. Step 2: Convert to fraction form
    170,622/360,912 = 360,912/x
  3. Step 3: Cross multiply
    170,622x = 360,912 × 360,912
  4. Step 4: Simplify right side
    170,622x = 130,257,471,744
  5. Step 5: Solve for x
    x = 130,257,471,744/170,622
  6. Step 6: Final answer
    x = 763,427.18

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.