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Finding the Third Proportional to 84,075 and 175,939

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Solution

The third proportional to 84,075 and 175,939 is: 368,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,075 : 175,939 = 175,939 : x
  2. Step 2: Convert to fraction form
    84,075/175,939 = 175,939/x
  3. Step 3: Cross multiply
    84,075x = 175,939 × 175,939
  4. Step 4: Simplify right side
    84,075x = 30,954,531,721
  5. Step 5: Solve for x
    x = 30,954,531,721/84,075
  6. Step 6: Final answer
    x = 368,177.60

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.