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Finding the Third Proportional to 414,476 and 743,668

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Solution

The third proportional to 414,476 and 743,668 is: 1,334,316.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,476 : 743,668 = 743,668 : x
  2. Step 2: Convert to fraction form
    414,476/743,668 = 743,668/x
  3. Step 3: Cross multiply
    414,476x = 743,668 × 743,668
  4. Step 4: Simplify right side
    414,476x = 553,042,094,224
  5. Step 5: Solve for x
    x = 553,042,094,224/414,476
  6. Step 6: Final answer
    x = 1,334,316.33

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.