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Finding the Third Proportional to 198,003 and 262,554

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Solution

The third proportional to 198,003 and 262,554 is: 348,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003 : 262,554 = 262,554 : x
  2. Step 2: Convert to fraction form
    198,003/262,554 = 262,554/x
  3. Step 3: Cross multiply
    198,003x = 262,554 × 262,554
  4. Step 4: Simplify right side
    198,003x = 68,934,602,916
  5. Step 5: Solve for x
    x = 68,934,602,916/198,003
  6. Step 6: Final answer
    x = 348,149.29

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.