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Finding the Third Proportional to 1,396,399.88 and 2,135,214.56

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Solution

The third proportional to 1,396,399.88 and 2,135,214.56 is: 3,264,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,399.88 : 2,135,214.56 = 2,135,214.56 : x
  2. Step 2: Convert to fraction form
    1,396,399.88/2,135,214.56 = 2,135,214.56/x
  3. Step 3: Cross multiply
    1,396,399.88x = 2,135,214.56 × 2,135,214.56
  4. Step 4: Simplify right side
    1,396,399.88x = 4,559,141,227,912.07
  5. Step 5: Solve for x
    x = 4,559,141,227,912.07/1,396,399.88
  6. Step 6: Final answer
    x = 3,264,925.26

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.