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Finding the Third Proportional to 1,956,879 and 4,203,140.63

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Solution

The third proportional to 1,956,879 and 4,203,140.63 is: 9,027,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,879 : 4,203,140.63 = 4,203,140.63 : x
  2. Step 2: Convert to fraction form
    1,956,879/4,203,140.63 = 4,203,140.63/x
  3. Step 3: Cross multiply
    1,956,879x = 4,203,140.63 × 4,203,140.63
  4. Step 4: Simplify right side
    1,956,879x = 17,666,391,113,525.39
  5. Step 5: Solve for x
    x = 17,666,391,113,525.39/1,956,879
  6. Step 6: Final answer
    x = 9,027,840.31

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.