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Finding the Third Proportional to 101,277.56 and 220,779

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Solution

The third proportional to 101,277.56 and 220,779 is: 481,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,277.56 : 220,779 = 220,779 : x
  2. Step 2: Convert to fraction form
    101,277.56/220,779 = 220,779/x
  3. Step 3: Cross multiply
    101,277.56x = 220,779 × 220,779
  4. Step 4: Simplify right side
    101,277.56x = 48,743,366,841
  5. Step 5: Solve for x
    x = 48,743,366,841/101,277.56
  6. Step 6: Final answer
    x = 481,284.95

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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.