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Finding the Third Proportional to 104,578.50 and 214,668

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Solution

The third proportional to 104,578.50 and 214,668 is: 440,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.50 : 214,668 = 214,668 : x
  2. Step 2: Convert to fraction form
    104,578.50/214,668 = 214,668/x
  3. Step 3: Cross multiply
    104,578.50x = 214,668 × 214,668
  4. Step 4: Simplify right side
    104,578.50x = 46,082,350,224
  5. Step 5: Solve for x
    x = 46,082,350,224/104,578.50
  6. Step 6: Final answer
    x = 440,648.41

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.