Home / 90,760.50-121,317.75

Finding the Third Proportional to 90,760.50 and 121,317.75

Calculator

Solution

The third proportional to 90,760.50 and 121,317.75 is: 162,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760.50 : 121,317.75 = 121,317.75 : x
  2. Step 2: Convert to fraction form
    90,760.50/121,317.75 = 121,317.75/x
  3. Step 3: Cross multiply
    90,760.50x = 121,317.75 × 121,317.75
  4. Step 4: Simplify right side
    90,760.50x = 14,717,996,465.06
  5. Step 5: Solve for x
    x = 14,717,996,465.06/90,760.50
  6. Step 6: Final answer
    x = 162,163.02

Related Problems

Find third proportional to 45,380.25 and 60,658.88
Half scale
Find third proportional to 181,521 and 242,635.50
Double scale
Find third proportional to 90,763 and 121,320
Similar ratio
Find third proportional to 136,140.75 and 181,976.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.