Home / 100,378-222,898

Finding the Third Proportional to 100,378 and 222,898

Calculator

Solution

The third proportional to 100,378 and 222,898 is: 494,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,378 : 222,898 = 222,898 : x
  2. Step 2: Convert to fraction form
    100,378/222,898 = 222,898/x
  3. Step 3: Cross multiply
    100,378x = 222,898 × 222,898
  4. Step 4: Simplify right side
    100,378x = 49,683,518,404
  5. Step 5: Solve for x
    x = 49,683,518,404/100,378
  6. Step 6: Final answer
    x = 494,964.22

Related Problems

Find third proportional to 50,189 and 111,449
Half scale
Find third proportional to 200,756 and 445,796
Double scale
Find third proportional to 100,380 and 222,902
Similar ratio
Find third proportional to 150,567 and 334,347
1.5x scale

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.