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Finding the Third Proportional to 97,255 and 209,512

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Solution

The third proportional to 97,255 and 209,512 is: 451,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,255 : 209,512 = 209,512 : x
  2. Step 2: Convert to fraction form
    97,255/209,512 = 209,512/x
  3. Step 3: Cross multiply
    97,255x = 209,512 × 209,512
  4. Step 4: Simplify right side
    97,255x = 43,895,278,144
  5. Step 5: Solve for x
    x = 43,895,278,144/97,255
  6. Step 6: Final answer
    x = 451,342.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.