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Finding the Third Proportional to 108,636.75 and 220,230

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Solution

The third proportional to 108,636.75 and 220,230 is: 446,453.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,636.75 : 220,230 = 220,230 : x
  2. Step 2: Convert to fraction form
    108,636.75/220,230 = 220,230/x
  3. Step 3: Cross multiply
    108,636.75x = 220,230 × 220,230
  4. Step 4: Simplify right side
    108,636.75x = 48,501,252,900
  5. Step 5: Solve for x
    x = 48,501,252,900/108,636.75
  6. Step 6: Final answer
    x = 446,453.46

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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.