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Finding the Third Proportional to 18,873,380 and 41,279,290

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Solution

The third proportional to 18,873,380 and 41,279,290 is: 90,284,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873,380 : 41,279,290 = 41,279,290 : x
  2. Step 2: Convert to fraction form
    18,873,380/41,279,290 = 41,279,290/x
  3. Step 3: Cross multiply
    18,873,380x = 41,279,290 × 41,279,290
  4. Step 4: Simplify right side
    18,873,380x = 1,703,979,782,904,100
  5. Step 5: Solve for x
    x = 1,703,979,782,904,100/18,873,380
  6. Step 6: Final answer
    x = 90,284,823.54

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.