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Finding the Third Proportional to 763,668 and 1,679,879.25

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Solution

The third proportional to 763,668 and 1,679,879.25 is: 3,695,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,668 : 1,679,879.25 = 1,679,879.25 : x
  2. Step 2: Convert to fraction form
    763,668/1,679,879.25 = 1,679,879.25/x
  3. Step 3: Cross multiply
    763,668x = 1,679,879.25 × 1,679,879.25
  4. Step 4: Simplify right side
    763,668x = 2,821,994,294,580.56
  5. Step 5: Solve for x
    x = 2,821,994,294,580.56/763,668
  6. Step 6: Final answer
    x = 3,695,315.63

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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.