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Finding the Third Proportional to 103,669 and 214,718

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Solution

The third proportional to 103,669 and 214,718 is: 444,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669 : 214,718 = 214,718 : x
  2. Step 2: Convert to fraction form
    103,669/214,718 = 214,718/x
  3. Step 3: Cross multiply
    103,669x = 214,718 × 214,718
  4. Step 4: Simplify right side
    103,669x = 46,103,819,524
  5. Step 5: Solve for x
    x = 46,103,819,524/103,669
  6. Step 6: Final answer
    x = 444,721.37

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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.