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Finding the Third Proportional to 74,786,434 and 111,880,694

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Solution

The third proportional to 74,786,434 and 111,880,694 is: 167,373,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786,434 : 111,880,694 = 111,880,694 : x
  2. Step 2: Convert to fraction form
    74,786,434/111,880,694 = 111,880,694/x
  3. Step 3: Cross multiply
    74,786,434x = 111,880,694 × 111,880,694
  4. Step 4: Simplify right side
    74,786,434x = 12,517,289,689,921,636
  5. Step 5: Solve for x
    x = 12,517,289,689,921,636/74,786,434
  6. Step 6: Final answer
    x = 167,373,800.57

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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.