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Finding the Third Proportional to 168,431.25 and 360,199.50

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Solution

The third proportional to 168,431.25 and 360,199.50 is: 770,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,431.25 : 360,199.50 = 360,199.50 : x
  2. Step 2: Convert to fraction form
    168,431.25/360,199.50 = 360,199.50/x
  3. Step 3: Cross multiply
    168,431.25x = 360,199.50 × 360,199.50
  4. Step 4: Simplify right side
    168,431.25x = 129,743,679,800.25
  5. Step 5: Solve for x
    x = 129,743,679,800.25/168,431.25
  6. Step 6: Final answer
    x = 770,306.46

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.