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Finding the Third Proportional to 207,078 and 443,668

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Solution

The third proportional to 207,078 and 443,668 is: 950,565.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,078 : 443,668 = 443,668 : x
  2. Step 2: Convert to fraction form
    207,078/443,668 = 443,668/x
  3. Step 3: Cross multiply
    207,078x = 443,668 × 443,668
  4. Step 4: Simplify right side
    207,078x = 196,841,294,224
  5. Step 5: Solve for x
    x = 196,841,294,224/207,078
  6. Step 6: Final answer
    x = 950,565.94

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.