Home / 100,448-207,430

Finding the Third Proportional to 100,448 and 207,430

Calculator

Solution

The third proportional to 100,448 and 207,430 is: 428,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,448 : 207,430 = 207,430 : x
  2. Step 2: Convert to fraction form
    100,448/207,430 = 207,430/x
  3. Step 3: Cross multiply
    100,448x = 207,430 × 207,430
  4. Step 4: Simplify right side
    100,448x = 43,027,204,900
  5. Step 5: Solve for x
    x = 43,027,204,900/100,448
  6. Step 6: Final answer
    x = 428,353.03

Related Problems

Find third proportional to 50,224 and 103,715
Half scale
Find third proportional to 200,896 and 414,860
Double scale
Find third proportional to 100,450 and 207,434
Similar ratio
Find third proportional to 150,672 and 311,145
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.