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Finding the Third Proportional to 780,039 and 1,198,443

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Solution

The third proportional to 780,039 and 1,198,443 is: 1,841,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,039 : 1,198,443 = 1,198,443 : x
  2. Step 2: Convert to fraction form
    780,039/1,198,443 = 1,198,443/x
  3. Step 3: Cross multiply
    780,039x = 1,198,443 × 1,198,443
  4. Step 4: Simplify right side
    780,039x = 1,436,265,624,249
  5. Step 5: Solve for x
    x = 1,436,265,624,249/780,039
  6. Step 6: Final answer
    x = 1,841,274.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.