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Finding the Third Proportional to 1,242,858 and 2,722,942.50

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Solution

The third proportional to 1,242,858 and 2,722,942.50 is: 5,965,617.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,858 : 2,722,942.50 = 2,722,942.50 : x
  2. Step 2: Convert to fraction form
    1,242,858/2,722,942.50 = 2,722,942.50/x
  3. Step 3: Cross multiply
    1,242,858x = 2,722,942.50 × 2,722,942.50
  4. Step 4: Simplify right side
    1,242,858x = 7,414,415,858,306.25
  5. Step 5: Solve for x
    x = 7,414,415,858,306.25/1,242,858
  6. Step 6: Final answer
    x = 5,965,617.84

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.