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Finding the Third Proportional to 367,200 and 561,360

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Solution

The third proportional to 367,200 and 561,360 is: 858,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,200 : 561,360 = 561,360 : x
  2. Step 2: Convert to fraction form
    367,200/561,360 = 561,360/x
  3. Step 3: Cross multiply
    367,200x = 561,360 × 561,360
  4. Step 4: Simplify right side
    367,200x = 315,125,049,600
  5. Step 5: Solve for x
    x = 315,125,049,600/367,200
  6. Step 6: Final answer
    x = 858,183.69

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.