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Finding the Third Proportional to 319,360 and 444,042

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Solution

The third proportional to 319,360 and 444,042 is: 617,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,360 : 444,042 = 444,042 : x
  2. Step 2: Convert to fraction form
    319,360/444,042 = 444,042/x
  3. Step 3: Cross multiply
    319,360x = 444,042 × 444,042
  4. Step 4: Simplify right side
    319,360x = 197,173,297,764
  5. Step 5: Solve for x
    x = 197,173,297,764/319,360
  6. Step 6: Final answer
    x = 617,401.36

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.