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Finding the Third Proportional to 103,623 and 214,616

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Solution

The third proportional to 103,623 and 214,616 is: 444,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623 : 214,616 = 214,616 : x
  2. Step 2: Convert to fraction form
    103,623/214,616 = 214,616/x
  3. Step 3: Cross multiply
    103,623x = 214,616 × 214,616
  4. Step 4: Simplify right side
    103,623x = 46,060,027,456
  5. Step 5: Solve for x
    x = 46,060,027,456/103,623
  6. Step 6: Final answer
    x = 444,496.18

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.