Home / 68,488-150,400

Finding the Third Proportional to 68,488 and 150,400

Calculator

Solution

The third proportional to 68,488 and 150,400 is: 330,279.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,488 : 150,400 = 150,400 : x
  2. Step 2: Convert to fraction form
    68,488/150,400 = 150,400/x
  3. Step 3: Cross multiply
    68,488x = 150,400 × 150,400
  4. Step 4: Simplify right side
    68,488x = 22,620,160,000
  5. Step 5: Solve for x
    x = 22,620,160,000/68,488
  6. Step 6: Final answer
    x = 330,279.17

Related Problems

Find third proportional to 34,244 and 75,200
Half scale
Find third proportional to 136,976 and 300,800
Double scale
Find third proportional to 68,490 and 150,404
Similar ratio
Find third proportional to 102,732 and 225,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.