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Finding the Third Proportional to 6,664,579,239 and 13,880,781,777

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Solution

The third proportional to 6,664,579,239 and 13,880,781,777 is: 28,910,467,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,664,579,239 : 13,880,781,777 = 13,880,781,777 : x
  2. Step 2: Convert to fraction form
    6,664,579,239/13,880,781,777 = 13,880,781,777/x
  3. Step 3: Cross multiply
    6,664,579,239x = 13,880,781,777 × 13,880,781,777
  4. Step 4: Simplify right side
    6,664,579,239x = 192,676,102,740,695,285,760
  5. Step 5: Solve for x
    x = 192,676,102,740,695,285,760/6,664,579,239
  6. Step 6: Final answer
    x = 28,910,467,687.62

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.