Home / 90,148-130,571

Finding the Third Proportional to 90,148 and 130,571

Calculator

Solution

The third proportional to 90,148 and 130,571 is: 189,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,148 : 130,571 = 130,571 : x
  2. Step 2: Convert to fraction form
    90,148/130,571 = 130,571/x
  3. Step 3: Cross multiply
    90,148x = 130,571 × 130,571
  4. Step 4: Simplify right side
    90,148x = 17,048,786,041
  5. Step 5: Solve for x
    x = 17,048,786,041/90,148
  6. Step 6: Final answer
    x = 189,119.96

Related Problems

Find third proportional to 45,074 and 65,285.50
Half scale
Find third proportional to 180,296 and 261,142
Double scale
Find third proportional to 90,150 and 130,574
Similar ratio
Find third proportional to 135,222 and 195,856.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.