Home / 90,814-136,345

Finding the Third Proportional to 90,814 and 136,345

Calculator

Solution

The third proportional to 90,814 and 136,345 is: 204,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,814 : 136,345 = 136,345 : x
  2. Step 2: Convert to fraction form
    90,814/136,345 = 136,345/x
  3. Step 3: Cross multiply
    90,814x = 136,345 × 136,345
  4. Step 4: Simplify right side
    90,814x = 18,589,959,025
  5. Step 5: Solve for x
    x = 18,589,959,025/90,814
  6. Step 6: Final answer
    x = 204,703.67

Related Problems

Find third proportional to 45,407 and 68,172.50
Half scale
Find third proportional to 181,628 and 272,690
Double scale
Find third proportional to 90,816 and 136,348
Similar ratio
Find third proportional to 136,221 and 204,517.50
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.