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Finding the Third Proportional to 20,454,290 and 45,448,884

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Solution

The third proportional to 20,454,290 and 45,448,884 is: 100,986,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454,290 : 45,448,884 = 45,448,884 : x
  2. Step 2: Convert to fraction form
    20,454,290/45,448,884 = 45,448,884/x
  3. Step 3: Cross multiply
    20,454,290x = 45,448,884 × 45,448,884
  4. Step 4: Simplify right side
    20,454,290x = 2,065,601,056,845,456
  5. Step 5: Solve for x
    x = 2,065,601,056,845,456/20,454,290
  6. Step 6: Final answer
    x = 100,986,201.76

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.