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Finding the Third Proportional to 956,638 and 2,099,869

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Solution

The third proportional to 956,638 and 2,099,869 is: 4,609,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,638 : 2,099,869 = 2,099,869 : x
  2. Step 2: Convert to fraction form
    956,638/2,099,869 = 2,099,869/x
  3. Step 3: Cross multiply
    956,638x = 2,099,869 × 2,099,869
  4. Step 4: Simplify right side
    956,638x = 4,409,449,817,161
  5. Step 5: Solve for x
    x = 4,409,449,817,161/956,638
  6. Step 6: Final answer
    x = 4,609,319.11

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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.