Home / 54,439-86,682

Finding the Third Proportional to 54,439 and 86,682

Calculator

Solution

The third proportional to 54,439 and 86,682 is: 138,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,439 : 86,682 = 86,682 : x
  2. Step 2: Convert to fraction form
    54,439/86,682 = 86,682/x
  3. Step 3: Cross multiply
    54,439x = 86,682 × 86,682
  4. Step 4: Simplify right side
    54,439x = 7,513,769,124
  5. Step 5: Solve for x
    x = 7,513,769,124/54,439
  6. Step 6: Final answer
    x = 138,021.81

Related Problems

Find third proportional to 27,219.50 and 43,341
Half scale
Find third proportional to 108,878 and 173,364
Double scale
Find third proportional to 54,441 and 86,685
Similar ratio
Find third proportional to 81,658.50 and 130,023
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.