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Finding the Third Proportional to 207,660 and 446,912

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Solution

The third proportional to 207,660 and 446,912 is: 961,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,660 : 446,912 = 446,912 : x
  2. Step 2: Convert to fraction form
    207,660/446,912 = 446,912/x
  3. Step 3: Cross multiply
    207,660x = 446,912 × 446,912
  4. Step 4: Simplify right side
    207,660x = 199,730,335,744
  5. Step 5: Solve for x
    x = 199,730,335,744/207,660
  6. Step 6: Final answer
    x = 961,814.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.