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Finding the Third Proportional to 1,211,667 and 2,623,930.50

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Solution

The third proportional to 1,211,667 and 2,623,930.50 is: 5,682,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,667 : 2,623,930.50 = 2,623,930.50 : x
  2. Step 2: Convert to fraction form
    1,211,667/2,623,930.50 = 2,623,930.50/x
  3. Step 3: Cross multiply
    1,211,667x = 2,623,930.50 × 2,623,930.50
  4. Step 4: Simplify right side
    1,211,667x = 6,885,011,268,830.25
  5. Step 5: Solve for x
    x = 6,885,011,268,830.25/1,211,667
  6. Step 6: Final answer
    x = 5,682,263.58

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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.