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Finding the Third Proportional to 2,072,886.82 and 4,485,305.39

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Solution

The third proportional to 2,072,886.82 and 4,485,305.39 is: 9,705,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,886.82 : 4,485,305.39 = 4,485,305.39 : x
  2. Step 2: Convert to fraction form
    2,072,886.82/4,485,305.39 = 4,485,305.39/x
  3. Step 3: Cross multiply
    2,072,886.82x = 4,485,305.39 × 4,485,305.39
  4. Step 4: Simplify right side
    2,072,886.82x = 20,117,964,447,169.68
  5. Step 5: Solve for x
    x = 20,117,964,447,169.68/2,072,886.82
  6. Step 6: Final answer
    x = 9,705,288.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.