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Finding the Third Proportional to 303,556 and 666,161

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Solution

The third proportional to 303,556 and 666,161 is: 1,461,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,556 : 666,161 = 666,161 : x
  2. Step 2: Convert to fraction form
    303,556/666,161 = 666,161/x
  3. Step 3: Cross multiply
    303,556x = 666,161 × 666,161
  4. Step 4: Simplify right side
    303,556x = 443,770,477,921
  5. Step 5: Solve for x
    x = 443,770,477,921/303,556
  6. Step 6: Final answer
    x = 1,461,906.46

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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.