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Finding the Third Proportional to 816,997.50 and 1,198,028.25

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Solution

The third proportional to 816,997.50 and 1,198,028.25 is: 1,756,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,997.50 : 1,198,028.25 = 1,198,028.25 : x
  2. Step 2: Convert to fraction form
    816,997.50/1,198,028.25 = 1,198,028.25/x
  3. Step 3: Cross multiply
    816,997.50x = 1,198,028.25 × 1,198,028.25
  4. Step 4: Simplify right side
    816,997.50x = 1,435,271,687,798.06
  5. Step 5: Solve for x
    x = 1,435,271,687,798.06/816,997.50
  6. Step 6: Final answer
    x = 1,756,763.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.