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Finding the Third Proportional to 634,369 and 1,373,917

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Solution

The third proportional to 634,369 and 1,373,917 is: 2,975,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,369 : 1,373,917 = 1,373,917 : x
  2. Step 2: Convert to fraction form
    634,369/1,373,917 = 1,373,917/x
  3. Step 3: Cross multiply
    634,369x = 1,373,917 × 1,373,917
  4. Step 4: Simplify right side
    634,369x = 1,887,647,922,889
  5. Step 5: Solve for x
    x = 1,887,647,922,889/634,369
  6. Step 6: Final answer
    x = 2,975,630.78

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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.