Home / 18,102-39,222

Finding the Third Proportional to 18,102 and 39,222

Calculator

Solution

The third proportional to 18,102 and 39,222 is: 84,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102 : 39,222 = 39,222 : x
  2. Step 2: Convert to fraction form
    18,102/39,222 = 39,222/x
  3. Step 3: Cross multiply
    18,102x = 39,222 × 39,222
  4. Step 4: Simplify right side
    18,102x = 1,538,365,284
  5. Step 5: Solve for x
    x = 1,538,365,284/18,102
  6. Step 6: Final answer
    x = 84,983.17

Related Problems

Find third proportional to 9,051 and 19,611
Half scale
Find third proportional to 36,204 and 78,444
Double scale
Find third proportional to 18,104 and 39,226
Similar ratio
Find third proportional to 27,153 and 58,833
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.