Home / 43,800-90,711

Finding the Third Proportional to 43,800 and 90,711

Calculator

Solution

The third proportional to 43,800 and 90,711 is: 187,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,800 : 90,711 = 90,711 : x
  2. Step 2: Convert to fraction form
    43,800/90,711 = 90,711/x
  3. Step 3: Cross multiply
    43,800x = 90,711 × 90,711
  4. Step 4: Simplify right side
    43,800x = 8,228,485,521
  5. Step 5: Solve for x
    x = 8,228,485,521/43,800
  6. Step 6: Final answer
    x = 187,864.97

Related Problems

Find third proportional to 21,900 and 45,355.50
Half scale
Find third proportional to 87,600 and 181,422
Double scale
Find third proportional to 43,802 and 90,715
Similar ratio
Find third proportional to 65,700 and 136,066.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.