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Finding the Third Proportional to 3,451,911 and 5,175,273

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Solution

The third proportional to 3,451,911 and 5,175,273 is: 7,759,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,911 : 5,175,273 = 5,175,273 : x
  2. Step 2: Convert to fraction form
    3,451,911/5,175,273 = 5,175,273/x
  3. Step 3: Cross multiply
    3,451,911x = 5,175,273 × 5,175,273
  4. Step 4: Simplify right side
    3,451,911x = 26,783,450,624,529
  5. Step 5: Solve for x
    x = 26,783,450,624,529/3,451,911
  6. Step 6: Final answer
    x = 7,759,021.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.