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Finding the Third Proportional to 168,396 and 370,200

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Solution

The third proportional to 168,396 and 370,200 is: 813,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,396 : 370,200 = 370,200 : x
  2. Step 2: Convert to fraction form
    168,396/370,200 = 370,200/x
  3. Step 3: Cross multiply
    168,396x = 370,200 × 370,200
  4. Step 4: Simplify right side
    168,396x = 137,048,040,000
  5. Step 5: Solve for x
    x = 137,048,040,000/168,396
  6. Step 6: Final answer
    x = 813,843.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.