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Finding the Third Proportional to 103,458 and 223,242

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Solution

The third proportional to 103,458 and 223,242 is: 481,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,458 : 223,242 = 223,242 : x
  2. Step 2: Convert to fraction form
    103,458/223,242 = 223,242/x
  3. Step 3: Cross multiply
    103,458x = 223,242 × 223,242
  4. Step 4: Simplify right side
    103,458x = 49,836,990,564
  5. Step 5: Solve for x
    x = 49,836,990,564/103,458
  6. Step 6: Final answer
    x = 481,712.29

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.