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Finding the Third Proportional to 353,898 and 769,995

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Solution

The third proportional to 353,898 and 769,995 is: 1,675,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,898 : 769,995 = 769,995 : x
  2. Step 2: Convert to fraction form
    353,898/769,995 = 769,995/x
  3. Step 3: Cross multiply
    353,898x = 769,995 × 769,995
  4. Step 4: Simplify right side
    353,898x = 592,892,300,025
  5. Step 5: Solve for x
    x = 592,892,300,025/353,898
  6. Step 6: Final answer
    x = 1,675,319.72

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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.