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Finding the Third Proportional to 214,198.50 and 470,440.50

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Solution

The third proportional to 214,198.50 and 470,440.50 is: 1,033,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,198.50 : 470,440.50 = 470,440.50 : x
  2. Step 2: Convert to fraction form
    214,198.50/470,440.50 = 470,440.50/x
  3. Step 3: Cross multiply
    214,198.50x = 470,440.50 × 470,440.50
  4. Step 4: Simplify right side
    214,198.50x = 221,314,264,040.25
  5. Step 5: Solve for x
    x = 221,314,264,040.25/214,198.50
  6. Step 6: Final answer
    x = 1,033,220.42

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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.