Home / 100,290-208,984

Finding the Third Proportional to 100,290 and 208,984

Calculator

Solution

The third proportional to 100,290 and 208,984 is: 435,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,290 : 208,984 = 208,984 : x
  2. Step 2: Convert to fraction form
    100,290/208,984 = 208,984/x
  3. Step 3: Cross multiply
    100,290x = 208,984 × 208,984
  4. Step 4: Simplify right side
    100,290x = 43,674,312,256
  5. Step 5: Solve for x
    x = 43,674,312,256/100,290
  6. Step 6: Final answer
    x = 435,480.23

Related Problems

Find third proportional to 50,145 and 104,492
Half scale
Find third proportional to 200,580 and 417,968
Double scale
Find third proportional to 100,292 and 208,988
Similar ratio
Find third proportional to 150,435 and 313,476
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.