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Finding the Third Proportional to 2,647,999.69 and 4,091,770.69

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Solution

The third proportional to 2,647,999.69 and 4,091,770.69 is: 6,322,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,999.69 : 4,091,770.69 = 4,091,770.69 : x
  2. Step 2: Convert to fraction form
    2,647,999.69/4,091,770.69 = 4,091,770.69/x
  3. Step 3: Cross multiply
    2,647,999.69x = 4,091,770.69 × 4,091,770.69
  4. Step 4: Simplify right side
    2,647,999.69x = 16,742,587,359,084.22
  5. Step 5: Solve for x
    x = 16,742,587,359,084.22/2,647,999.69
  6. Step 6: Final answer
    x = 6,322,730.11

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.