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Finding the Third Proportional to 3,554,869 and 7,649,219

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Solution

The third proportional to 3,554,869 and 7,649,219 is: 16,459,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554,869 : 7,649,219 = 7,649,219 : x
  2. Step 2: Convert to fraction form
    3,554,869/7,649,219 = 7,649,219/x
  3. Step 3: Cross multiply
    3,554,869x = 7,649,219 × 7,649,219
  4. Step 4: Simplify right side
    3,554,869x = 58,510,551,309,961
  5. Step 5: Solve for x
    x = 58,510,551,309,961/3,554,869
  6. Step 6: Final answer
    x = 16,459,270.74

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.