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Finding the Third Proportional to 100,284.50 and 220,249

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Solution

The third proportional to 100,284.50 and 220,249 is: 483,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,284.50 : 220,249 = 220,249 : x
  2. Step 2: Convert to fraction form
    100,284.50/220,249 = 220,249/x
  3. Step 3: Cross multiply
    100,284.50x = 220,249 × 220,249
  4. Step 4: Simplify right side
    100,284.50x = 48,509,622,001
  5. Step 5: Solve for x
    x = 48,509,622,001/100,284.50
  6. Step 6: Final answer
    x = 483,720.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.