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Finding the Third Proportional to 20,278,515 and 45,090,846

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Solution

The third proportional to 20,278,515 and 45,090,846 is: 100,262,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,278,515 : 45,090,846 = 45,090,846 : x
  2. Step 2: Convert to fraction form
    20,278,515/45,090,846 = 45,090,846/x
  3. Step 3: Cross multiply
    20,278,515x = 45,090,846 × 45,090,846
  4. Step 4: Simplify right side
    20,278,515x = 2,033,184,392,995,716
  5. Step 5: Solve for x
    x = 2,033,184,392,995,716/20,278,515
  6. Step 6: Final answer
    x = 100,262,982.42

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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.