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Finding the Third Proportional to 1,203,489 and 2,643,186

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Solution

The third proportional to 1,203,489 and 2,643,186 is: 5,805,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,489 : 2,643,186 = 2,643,186 : x
  2. Step 2: Convert to fraction form
    1,203,489/2,643,186 = 2,643,186/x
  3. Step 3: Cross multiply
    1,203,489x = 2,643,186 × 2,643,186
  4. Step 4: Simplify right side
    1,203,489x = 6,986,432,230,596
  5. Step 5: Solve for x
    x = 6,986,432,230,596/1,203,489
  6. Step 6: Final answer
    x = 5,805,148.39

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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.