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Finding the Third Proportional to 220,991.50 and 483,779

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Solution

The third proportional to 220,991.50 and 483,779 is: 1,059,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,991.50 : 483,779 = 483,779 : x
  2. Step 2: Convert to fraction form
    220,991.50/483,779 = 483,779/x
  3. Step 3: Cross multiply
    220,991.50x = 483,779 × 483,779
  4. Step 4: Simplify right side
    220,991.50x = 234,042,120,841
  5. Step 5: Solve for x
    x = 234,042,120,841/220,991.50
  6. Step 6: Final answer
    x = 1,059,054.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.