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Finding the Third Proportional to 694,334 and 1,407,987

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Solution

The third proportional to 694,334 and 1,407,987 is: 2,855,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,334 : 1,407,987 = 1,407,987 : x
  2. Step 2: Convert to fraction form
    694,334/1,407,987 = 1,407,987/x
  3. Step 3: Cross multiply
    694,334x = 1,407,987 × 1,407,987
  4. Step 4: Simplify right side
    694,334x = 1,982,427,392,169
  5. Step 5: Solve for x
    x = 1,982,427,392,169/694,334
  6. Step 6: Final answer
    x = 2,855,149.53

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.