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Finding the Third Proportional to 220,990.50 and 483,777

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Solution

The third proportional to 220,990.50 and 483,777 is: 1,059,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,990.50 : 483,777 = 483,777 : x
  2. Step 2: Convert to fraction form
    220,990.50/483,777 = 483,777/x
  3. Step 3: Cross multiply
    220,990.50x = 483,777 × 483,777
  4. Step 4: Simplify right side
    220,990.50x = 234,040,185,729
  5. Step 5: Solve for x
    x = 234,040,185,729/220,990.50
  6. Step 6: Final answer
    x = 1,059,050.89

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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.