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Finding the Third Proportional to 3,330,872 and 7,166,942

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Solution

The third proportional to 3,330,872 and 7,166,942 is: 15,420,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330,872 : 7,166,942 = 7,166,942 : x
  2. Step 2: Convert to fraction form
    3,330,872/7,166,942 = 7,166,942/x
  3. Step 3: Cross multiply
    3,330,872x = 7,166,942 × 7,166,942
  4. Step 4: Simplify right side
    3,330,872x = 51,365,057,631,364
  5. Step 5: Solve for x
    x = 51,365,057,631,364/3,330,872
  6. Step 6: Final answer
    x = 15,420,904.08

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.