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Finding the Third Proportional to 918,792,756 and 1,378,861,110

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Solution

The third proportional to 918,792,756 and 1,378,861,110 is: 2,069,300,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,792,756 : 1,378,861,110 = 1,378,861,110 : x
  2. Step 2: Convert to fraction form
    918,792,756/1,378,861,110 = 1,378,861,110/x
  3. Step 3: Cross multiply
    918,792,756x = 1,378,861,110 × 1,378,861,110
  4. Step 4: Simplify right side
    918,792,756x = 1,901,257,960,670,432,000
  5. Step 5: Solve for x
    x = 1,901,257,960,670,432,000/918,792,756
  6. Step 6: Final answer
    x = 2,069,300,120.46

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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.