Home / 54,600-81,696

Finding the Third Proportional to 54,600 and 81,696

Calculator

Solution

The third proportional to 54,600 and 81,696 is: 122,238.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,600 : 81,696 = 81,696 : x
  2. Step 2: Convert to fraction form
    54,600/81,696 = 81,696/x
  3. Step 3: Cross multiply
    54,600x = 81,696 × 81,696
  4. Step 4: Simplify right side
    54,600x = 6,674,236,416
  5. Step 5: Solve for x
    x = 6,674,236,416/54,600
  6. Step 6: Final answer
    x = 122,238.76

Related Problems

Find third proportional to 27,300 and 40,848
Half scale
Find third proportional to 109,200 and 163,392
Double scale
Find third proportional to 54,602 and 81,699
Similar ratio
Find third proportional to 81,900 and 122,544
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.