Home / 86,370-130,881

Finding the Third Proportional to 86,370 and 130,881

Calculator

Solution

The third proportional to 86,370 and 130,881 is: 198,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,370 : 130,881 = 130,881 : x
  2. Step 2: Convert to fraction form
    86,370/130,881 = 130,881/x
  3. Step 3: Cross multiply
    86,370x = 130,881 × 130,881
  4. Step 4: Simplify right side
    86,370x = 17,129,836,161
  5. Step 5: Solve for x
    x = 17,129,836,161/86,370
  6. Step 6: Final answer
    x = 198,330.86

Related Problems

Find third proportional to 43,185 and 65,440.50
Half scale
Find third proportional to 172,740 and 261,762
Double scale
Find third proportional to 86,372 and 130,884
Similar ratio
Find third proportional to 129,555 and 196,321.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.