Home / 18,256-39,424

Finding the Third Proportional to 18,256 and 39,424

Calculator

Solution

The third proportional to 18,256 and 39,424 is: 85,136.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256 : 39,424 = 39,424 : x
  2. Step 2: Convert to fraction form
    18,256/39,424 = 39,424/x
  3. Step 3: Cross multiply
    18,256x = 39,424 × 39,424
  4. Step 4: Simplify right side
    18,256x = 1,554,251,776
  5. Step 5: Solve for x
    x = 1,554,251,776/18,256
  6. Step 6: Final answer
    x = 85,136.49

Related Problems

Find third proportional to 9,128 and 19,712
Half scale
Find third proportional to 36,512 and 78,848
Double scale
Find third proportional to 18,258 and 39,428
Similar ratio
Find third proportional to 27,384 and 59,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.