Home / 18,600-39,276

Finding the Third Proportional to 18,600 and 39,276

Calculator

Solution

The third proportional to 18,600 and 39,276 is: 82,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600 : 39,276 = 39,276 : x
  2. Step 2: Convert to fraction form
    18,600/39,276 = 39,276/x
  3. Step 3: Cross multiply
    18,600x = 39,276 × 39,276
  4. Step 4: Simplify right side
    18,600x = 1,542,604,176
  5. Step 5: Solve for x
    x = 1,542,604,176/18,600
  6. Step 6: Final answer
    x = 82,935.71

Related Problems

Find third proportional to 9,300 and 19,638
Half scale
Find third proportional to 37,200 and 78,552
Double scale
Find third proportional to 18,602 and 39,280
Similar ratio
Find third proportional to 27,900 and 58,914
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.