Home / 18,274-39,320

Finding the Third Proportional to 18,274 and 39,320

Calculator

Solution

The third proportional to 18,274 and 39,320 is: 84,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274 : 39,320 = 39,320 : x
  2. Step 2: Convert to fraction form
    18,274/39,320 = 39,320/x
  3. Step 3: Cross multiply
    18,274x = 39,320 × 39,320
  4. Step 4: Simplify right side
    18,274x = 1,546,062,400
  5. Step 5: Solve for x
    x = 1,546,062,400/18,274
  6. Step 6: Final answer
    x = 84,604.49

Related Problems

Find third proportional to 9,137 and 19,660
Half scale
Find third proportional to 36,548 and 78,640
Double scale
Find third proportional to 18,276 and 39,324
Similar ratio
Find third proportional to 27,411 and 58,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.