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Finding the Third Proportional to 661,198 and 982,075

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Solution

The third proportional to 661,198 and 982,075 is: 1,458,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,198 : 982,075 = 982,075 : x
  2. Step 2: Convert to fraction form
    661,198/982,075 = 982,075/x
  3. Step 3: Cross multiply
    661,198x = 982,075 × 982,075
  4. Step 4: Simplify right side
    661,198x = 964,471,305,625
  5. Step 5: Solve for x
    x = 964,471,305,625/661,198
  6. Step 6: Final answer
    x = 1,458,672.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.