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Finding the Third Proportional to 10,887,794,401.50 and 16,815,219,880.50

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Solution

The third proportional to 10,887,794,401.50 and 16,815,219,880.50 is: 25,969,595,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,794,401.50 : 16,815,219,880.50 = 16,815,219,880.50 : x
  2. Step 2: Convert to fraction form
    10,887,794,401.50/16,815,219,880.50 = 16,815,219,880.50/x
  3. Step 3: Cross multiply
    10,887,794,401.50x = 16,815,219,880.50 × 16,815,219,880.50
  4. Step 4: Simplify right side
    10,887,794,401.50x = 282,751,619,629,562,429,440
  5. Step 5: Solve for x
    x = 282,751,619,629,562,429,440/10,887,794,401.50
  6. Step 6: Final answer
    x = 25,969,595,787.98

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.