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Finding the Third Proportional to 103,692 and 225,820

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Solution

The third proportional to 103,692 and 225,820 is: 491,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,692 : 225,820 = 225,820 : x
  2. Step 2: Convert to fraction form
    103,692/225,820 = 225,820/x
  3. Step 3: Cross multiply
    103,692x = 225,820 × 225,820
  4. Step 4: Simplify right side
    103,692x = 50,994,672,400
  5. Step 5: Solve for x
    x = 50,994,672,400/103,692
  6. Step 6: Final answer
    x = 491,789.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.