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Finding the Third Proportional to 335,902 and 520,079

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Solution

The third proportional to 335,902 and 520,079 is: 805,241.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,902 : 520,079 = 520,079 : x
  2. Step 2: Convert to fraction form
    335,902/520,079 = 520,079/x
  3. Step 3: Cross multiply
    335,902x = 520,079 × 520,079
  4. Step 4: Simplify right side
    335,902x = 270,482,166,241
  5. Step 5: Solve for x
    x = 270,482,166,241/335,902
  6. Step 6: Final answer
    x = 805,241.31

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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.