Home / 54,576-81,936

Finding the Third Proportional to 54,576 and 81,936

Calculator

Solution

The third proportional to 54,576 and 81,936 is: 123,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,576 : 81,936 = 81,936 : x
  2. Step 2: Convert to fraction form
    54,576/81,936 = 81,936/x
  3. Step 3: Cross multiply
    54,576x = 81,936 × 81,936
  4. Step 4: Simplify right side
    54,576x = 6,713,508,096
  5. Step 5: Solve for x
    x = 6,713,508,096/54,576
  6. Step 6: Final answer
    x = 123,012.09

Related Problems

Find third proportional to 27,288 and 40,968
Half scale
Find third proportional to 109,152 and 163,872
Double scale
Find third proportional to 54,578 and 81,939
Similar ratio
Find third proportional to 81,864 and 122,904
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.