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Finding the Third Proportional to 108,726.75 and 220,511.25

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Solution

The third proportional to 108,726.75 and 220,511.25 is: 447,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,726.75 : 220,511.25 = 220,511.25 : x
  2. Step 2: Convert to fraction form
    108,726.75/220,511.25 = 220,511.25/x
  3. Step 3: Cross multiply
    108,726.75x = 220,511.25 × 220,511.25
  4. Step 4: Simplify right side
    108,726.75x = 48,625,211,376.56
  5. Step 5: Solve for x
    x = 48,625,211,376.56/108,726.75
  6. Step 6: Final answer
    x = 447,223.99

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.