Home / 90,008-208,375

Finding the Third Proportional to 90,008 and 208,375

Calculator

Solution

The third proportional to 90,008 and 208,375 is: 482,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,008 : 208,375 = 208,375 : x
  2. Step 2: Convert to fraction form
    90,008/208,375 = 208,375/x
  3. Step 3: Cross multiply
    90,008x = 208,375 × 208,375
  4. Step 4: Simplify right side
    90,008x = 43,420,140,625
  5. Step 5: Solve for x
    x = 43,420,140,625/90,008
  6. Step 6: Final answer
    x = 482,403.13

Related Problems

Find third proportional to 45,004 and 104,187.50
Half scale
Find third proportional to 180,016 and 416,750
Double scale
Find third proportional to 90,010 and 208,380
Similar ratio
Find third proportional to 135,012 and 312,562.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.