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Finding the Third Proportional to 1,889,430 and 3,858,165.75

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Solution

The third proportional to 1,889,430 and 3,858,165.75 is: 7,878,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,430 : 3,858,165.75 = 3,858,165.75 : x
  2. Step 2: Convert to fraction form
    1,889,430/3,858,165.75 = 3,858,165.75/x
  3. Step 3: Cross multiply
    1,889,430x = 3,858,165.75 × 3,858,165.75
  4. Step 4: Simplify right side
    1,889,430x = 14,885,442,954,473.06
  5. Step 5: Solve for x
    x = 14,885,442,954,473.06/1,889,430
  6. Step 6: Final answer
    x = 7,878,271.73

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.