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Finding the Third Proportional to 103,656 and 214,692

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Solution

The third proportional to 103,656 and 214,692 is: 444,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,656 : 214,692 = 214,692 : x
  2. Step 2: Convert to fraction form
    103,656/214,692 = 214,692/x
  3. Step 3: Cross multiply
    103,656x = 214,692 × 214,692
  4. Step 4: Simplify right side
    103,656x = 46,092,654,864
  5. Step 5: Solve for x
    x = 46,092,654,864/103,656
  6. Step 6: Final answer
    x = 444,669.43

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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.