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Finding the Third Proportional to 103,292 and 218,884

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Solution

The third proportional to 103,292 and 218,884 is: 463,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,292 : 218,884 = 218,884 : x
  2. Step 2: Convert to fraction form
    103,292/218,884 = 218,884/x
  3. Step 3: Cross multiply
    103,292x = 218,884 × 218,884
  4. Step 4: Simplify right side
    103,292x = 47,910,205,456
  5. Step 5: Solve for x
    x = 47,910,205,456/103,292
  6. Step 6: Final answer
    x = 463,832.68

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.