Home / 18,436-40,328

Finding the Third Proportional to 18,436 and 40,328

Calculator

Solution

The third proportional to 18,436 and 40,328 is: 88,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436 : 40,328 = 40,328 : x
  2. Step 2: Convert to fraction form
    18,436/40,328 = 40,328/x
  3. Step 3: Cross multiply
    18,436x = 40,328 × 40,328
  4. Step 4: Simplify right side
    18,436x = 1,626,347,584
  5. Step 5: Solve for x
    x = 1,626,347,584/18,436
  6. Step 6: Final answer
    x = 88,215.86

Related Problems

Find third proportional to 9,218 and 20,164
Half scale
Find third proportional to 36,872 and 80,656
Double scale
Find third proportional to 18,438 and 40,332
Similar ratio
Find third proportional to 27,654 and 60,492
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.