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Finding the Third Proportional to 20,173,869 and 43,776,954

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Solution

The third proportional to 20,173,869 and 43,776,954 is: 94,995,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,869 : 43,776,954 = 43,776,954 : x
  2. Step 2: Convert to fraction form
    20,173,869/43,776,954 = 43,776,954/x
  3. Step 3: Cross multiply
    20,173,869x = 43,776,954 × 43,776,954
  4. Step 4: Simplify right side
    20,173,869x = 1,916,421,701,518,116
  5. Step 5: Solve for x
    x = 1,916,421,701,518,116/20,173,869
  6. Step 6: Final answer
    x = 94,995,248.63

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.