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Finding the Third Proportional to 30,936,104 and 68,049,880

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Solution

The third proportional to 30,936,104 and 68,049,880 is: 149,688,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,936,104 : 68,049,880 = 68,049,880 : x
  2. Step 2: Convert to fraction form
    30,936,104/68,049,880 = 68,049,880/x
  3. Step 3: Cross multiply
    30,936,104x = 68,049,880 × 68,049,880
  4. Step 4: Simplify right side
    30,936,104x = 4,630,786,168,014,400
  5. Step 5: Solve for x
    x = 4,630,786,168,014,400/30,936,104
  6. Step 6: Final answer
    x = 149,688,731.59

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.