Home / 199,208-299,565

Finding the Third Proportional to 199,208 and 299,565

Calculator

Solution

The third proportional to 199,208 and 299,565 is: 450,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,208 : 299,565 = 299,565 : x
  2. Step 2: Convert to fraction form
    199,208/299,565 = 299,565/x
  3. Step 3: Cross multiply
    199,208x = 299,565 × 299,565
  4. Step 4: Simplify right side
    199,208x = 89,739,189,225
  5. Step 5: Solve for x
    x = 89,739,189,225/199,208
  6. Step 6: Final answer
    x = 450,479.85

Related Problems

Find third proportional to 99,604 and 149,782.50
Half scale
Find third proportional to 398,416 and 599,130
Double scale
Find third proportional to 199,210 and 299,568
Similar ratio
Find third proportional to 298,812 and 449,347.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.