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Finding the Third Proportional to 353,912 and 770,026

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Solution

The third proportional to 353,912 and 770,026 is: 1,675,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,912 : 770,026 = 770,026 : x
  2. Step 2: Convert to fraction form
    353,912/770,026 = 770,026/x
  3. Step 3: Cross multiply
    353,912x = 770,026 × 770,026
  4. Step 4: Simplify right side
    353,912x = 592,940,040,676
  5. Step 5: Solve for x
    x = 592,940,040,676/353,912
  6. Step 6: Final answer
    x = 1,675,388.35

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.