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Finding the Third Proportional to 863,779 and 2,017,899

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Solution

The third proportional to 863,779 and 2,017,899 is: 4,714,071.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,779 : 2,017,899 = 2,017,899 : x
  2. Step 2: Convert to fraction form
    863,779/2,017,899 = 2,017,899/x
  3. Step 3: Cross multiply
    863,779x = 2,017,899 × 2,017,899
  4. Step 4: Simplify right side
    863,779x = 4,071,916,374,201
  5. Step 5: Solve for x
    x = 4,071,916,374,201/863,779
  6. Step 6: Final answer
    x = 4,714,071.97

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.