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Finding the Third Proportional to 8,836,631,622 and 13,720,555,209

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Solution

The third proportional to 8,836,631,622 and 13,720,555,209 is: 21,303,777,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836,631,622 : 13,720,555,209 = 13,720,555,209 : x
  2. Step 2: Convert to fraction form
    8,836,631,622/13,720,555,209 = 13,720,555,209/x
  3. Step 3: Cross multiply
    8,836,631,622x = 13,720,555,209 × 13,720,555,209
  4. Step 4: Simplify right side
    8,836,631,622x = 188,253,635,243,217,027,072
  5. Step 5: Solve for x
    x = 188,253,635,243,217,027,072/8,836,631,622
  6. Step 6: Final answer
    x = 21,303,777,649.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.