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Finding the Third Proportional to 1,915,868 and 3,192,984

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Solution

The third proportional to 1,915,868 and 3,192,984 is: 5,321,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,868 : 3,192,984 = 3,192,984 : x
  2. Step 2: Convert to fraction form
    1,915,868/3,192,984 = 3,192,984/x
  3. Step 3: Cross multiply
    1,915,868x = 3,192,984 × 3,192,984
  4. Step 4: Simplify right side
    1,915,868x = 10,195,146,824,256
  5. Step 5: Solve for x
    x = 10,195,146,824,256/1,915,868
  6. Step 6: Final answer
    x = 5,321,424.45

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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.