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Finding the Third Proportional to 3,477,015.75 and 5,318,859

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Solution

The third proportional to 3,477,015.75 and 5,318,859 is: 8,136,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,015.75 : 5,318,859 = 5,318,859 : x
  2. Step 2: Convert to fraction form
    3,477,015.75/5,318,859 = 5,318,859/x
  3. Step 3: Cross multiply
    3,477,015.75x = 5,318,859 × 5,318,859
  4. Step 4: Simplify right side
    3,477,015.75x = 28,290,261,061,881
  5. Step 5: Solve for x
    x = 28,290,261,061,881/3,477,015.75
  6. Step 6: Final answer
    x = 8,136,362.64

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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.