Home / 100,872-219,200

Finding the Third Proportional to 100,872 and 219,200

Calculator

Solution

The third proportional to 100,872 and 219,200 is: 476,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,872 : 219,200 = 219,200 : x
  2. Step 2: Convert to fraction form
    100,872/219,200 = 219,200/x
  3. Step 3: Cross multiply
    100,872x = 219,200 × 219,200
  4. Step 4: Simplify right side
    100,872x = 48,048,640,000
  5. Step 5: Solve for x
    x = 48,048,640,000/100,872
  6. Step 6: Final answer
    x = 476,332.78

Related Problems

Find third proportional to 50,436 and 109,600
Half scale
Find third proportional to 201,744 and 438,400
Double scale
Find third proportional to 100,874 and 219,204
Similar ratio
Find third proportional to 151,308 and 328,800
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.