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Finding the Third Proportional to 1,557,608 and 3,380,938

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Solution

The third proportional to 1,557,608 and 3,380,938 is: 7,338,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,608 : 3,380,938 = 3,380,938 : x
  2. Step 2: Convert to fraction form
    1,557,608/3,380,938 = 3,380,938/x
  3. Step 3: Cross multiply
    1,557,608x = 3,380,938 × 3,380,938
  4. Step 4: Simplify right side
    1,557,608x = 11,430,741,759,844
  5. Step 5: Solve for x
    x = 11,430,741,759,844/1,557,608
  6. Step 6: Final answer
    x = 7,338,651.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.