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Finding the Third Proportional to 335,885 and 520,055

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Solution

The third proportional to 335,885 and 520,055 is: 805,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,885 : 520,055 = 520,055 : x
  2. Step 2: Convert to fraction form
    335,885/520,055 = 520,055/x
  3. Step 3: Cross multiply
    335,885x = 520,055 × 520,055
  4. Step 4: Simplify right side
    335,885x = 270,457,203,025
  5. Step 5: Solve for x
    x = 270,457,203,025/335,885
  6. Step 6: Final answer
    x = 805,207.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.