Home / 198,087-426,975

Finding the Third Proportional to 198,087 and 426,975

Calculator

Solution

The third proportional to 198,087 and 426,975 is: 920,341.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,087 : 426,975 = 426,975 : x
  2. Step 2: Convert to fraction form
    198,087/426,975 = 426,975/x
  3. Step 3: Cross multiply
    198,087x = 426,975 × 426,975
  4. Step 4: Simplify right side
    198,087x = 182,307,650,625
  5. Step 5: Solve for x
    x = 182,307,650,625/198,087
  6. Step 6: Final answer
    x = 920,341.32

Related Problems

Find third proportional to 99,043.50 and 213,487.50
Half scale
Find third proportional to 396,174 and 853,950
Double scale
Find third proportional to 198,089 and 426,979
Similar ratio
Find third proportional to 297,130.50 and 640,462.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.