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Finding the Third Proportional to 1,531,647 and 2,543,874

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Solution

The third proportional to 1,531,647 and 2,543,874 is: 4,225,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,647 : 2,543,874 = 2,543,874 : x
  2. Step 2: Convert to fraction form
    1,531,647/2,543,874 = 2,543,874/x
  3. Step 3: Cross multiply
    1,531,647x = 2,543,874 × 2,543,874
  4. Step 4: Simplify right side
    1,531,647x = 6,471,294,927,876
  5. Step 5: Solve for x
    x = 6,471,294,927,876/1,531,647
  6. Step 6: Final answer
    x = 4,225,056.38

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.