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Finding the Third Proportional to 409,165 and 888,313

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Solution

The third proportional to 409,165 and 888,313 is: 1,928,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,165 : 888,313 = 888,313 : x
  2. Step 2: Convert to fraction form
    409,165/888,313 = 888,313/x
  3. Step 3: Cross multiply
    409,165x = 888,313 × 888,313
  4. Step 4: Simplify right side
    409,165x = 789,099,985,969
  5. Step 5: Solve for x
    x = 789,099,985,969/409,165
  6. Step 6: Final answer
    x = 1,928,561.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.