Home / 87,512-131,348

Finding the Third Proportional to 87,512 and 131,348

Calculator

Solution

The third proportional to 87,512 and 131,348 is: 197,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,512 : 131,348 = 131,348 : x
  2. Step 2: Convert to fraction form
    87,512/131,348 = 131,348/x
  3. Step 3: Cross multiply
    87,512x = 131,348 × 131,348
  4. Step 4: Simplify right side
    87,512x = 17,252,297,104
  5. Step 5: Solve for x
    x = 17,252,297,104/87,512
  6. Step 6: Final answer
    x = 197,142.07

Related Problems

Find third proportional to 43,756 and 65,674
Half scale
Find third proportional to 175,024 and 262,696
Double scale
Find third proportional to 87,514 and 131,351
Similar ratio
Find third proportional to 131,268 and 197,022
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.