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Finding the Third Proportional to 1,203,462 and 2,643,129

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Solution

The third proportional to 1,203,462 and 2,643,129 is: 5,805,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,462 : 2,643,129 = 2,643,129 : x
  2. Step 2: Convert to fraction form
    1,203,462/2,643,129 = 2,643,129/x
  3. Step 3: Cross multiply
    1,203,462x = 2,643,129 × 2,643,129
  4. Step 4: Simplify right side
    1,203,462x = 6,986,130,910,641
  5. Step 5: Solve for x
    x = 6,986,130,910,641/1,203,462
  6. Step 6: Final answer
    x = 5,805,028.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.