Home / 86,589-130,135

Finding the Third Proportional to 86,589 and 130,135

Calculator

Solution

The third proportional to 86,589 and 130,135 is: 195,580.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,589 : 130,135 = 130,135 : x
  2. Step 2: Convert to fraction form
    86,589/130,135 = 130,135/x
  3. Step 3: Cross multiply
    86,589x = 130,135 × 130,135
  4. Step 4: Simplify right side
    86,589x = 16,935,118,225
  5. Step 5: Solve for x
    x = 16,935,118,225/86,589
  6. Step 6: Final answer
    x = 195,580.48

Related Problems

Find third proportional to 43,294.50 and 65,067.50
Half scale
Find third proportional to 173,178 and 260,270
Double scale
Find third proportional to 86,591 and 130,138
Similar ratio
Find third proportional to 129,883.50 and 195,202.50
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.