Home / 18,162-39,711

Finding the Third Proportional to 18,162 and 39,711

Calculator

Solution

The third proportional to 18,162 and 39,711 is: 86,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162 : 39,711 = 39,711 : x
  2. Step 2: Convert to fraction form
    18,162/39,711 = 39,711/x
  3. Step 3: Cross multiply
    18,162x = 39,711 × 39,711
  4. Step 4: Simplify right side
    18,162x = 1,576,963,521
  5. Step 5: Solve for x
    x = 1,576,963,521/18,162
  6. Step 6: Final answer
    x = 86,827.64

Related Problems

Find third proportional to 9,081 and 19,855.50
Half scale
Find third proportional to 36,324 and 79,422
Double scale
Find third proportional to 18,164 and 39,715
Similar ratio
Find third proportional to 27,243 and 59,566.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.