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Finding the Third Proportional to 1,242,879 and 2,722,894.50

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Solution

The third proportional to 1,242,879 and 2,722,894.50 is: 5,965,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,879 : 2,722,894.50 = 2,722,894.50 : x
  2. Step 2: Convert to fraction form
    1,242,879/2,722,894.50 = 2,722,894.50/x
  3. Step 3: Cross multiply
    1,242,879x = 2,722,894.50 × 2,722,894.50
  4. Step 4: Simplify right side
    1,242,879x = 7,414,154,458,130.25
  5. Step 5: Solve for x
    x = 7,414,154,458,130.25/1,242,879
  6. Step 6: Final answer
    x = 5,965,306.73

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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.