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Finding the Third Proportional to 168,845 and 360,289

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Solution

The third proportional to 168,845 and 360,289 is: 768,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,845 : 360,289 = 360,289 : x
  2. Step 2: Convert to fraction form
    168,845/360,289 = 360,289/x
  3. Step 3: Cross multiply
    168,845x = 360,289 × 360,289
  4. Step 4: Simplify right side
    168,845x = 129,808,163,521
  5. Step 5: Solve for x
    x = 129,808,163,521/168,845
  6. Step 6: Final answer
    x = 768,800.76

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.