Home / 38,286-81,492

Finding the Third Proportional to 38,286 and 81,492

Calculator

Solution

The third proportional to 38,286 and 81,492 is: 173,456.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286 : 81,492 = 81,492 : x
  2. Step 2: Convert to fraction form
    38,286/81,492 = 81,492/x
  3. Step 3: Cross multiply
    38,286x = 81,492 × 81,492
  4. Step 4: Simplify right side
    38,286x = 6,640,946,064
  5. Step 5: Solve for x
    x = 6,640,946,064/38,286
  6. Step 6: Final answer
    x = 173,456.25

Related Problems

Find third proportional to 19,143 and 40,746
Half scale
Find third proportional to 76,572 and 162,984
Double scale
Find third proportional to 38,288 and 81,496
Similar ratio
Find third proportional to 57,429 and 122,238
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.