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Finding the Third Proportional to 275,208 and 606,290

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Solution

The third proportional to 275,208 and 606,290 is: 1,335,671.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,208 : 606,290 = 606,290 : x
  2. Step 2: Convert to fraction form
    275,208/606,290 = 606,290/x
  3. Step 3: Cross multiply
    275,208x = 606,290 × 606,290
  4. Step 4: Simplify right side
    275,208x = 367,587,564,100
  5. Step 5: Solve for x
    x = 367,587,564,100/275,208
  6. Step 6: Final answer
    x = 1,335,671.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.