Home / 28,284-40,211

Finding the Third Proportional to 28,284 and 40,211

Calculator

Solution

The third proportional to 28,284 and 40,211 is: 57,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284 : 40,211 = 40,211 : x
  2. Step 2: Convert to fraction form
    28,284/40,211 = 40,211/x
  3. Step 3: Cross multiply
    28,284x = 40,211 × 40,211
  4. Step 4: Simplify right side
    28,284x = 1,616,924,521
  5. Step 5: Solve for x
    x = 1,616,924,521/28,284
  6. Step 6: Final answer
    x = 57,167.46

Related Problems

Find third proportional to 14,142 and 20,105.50
Half scale
Find third proportional to 56,568 and 80,422
Double scale
Find third proportional to 28,286 and 40,214
Similar ratio
Find third proportional to 42,426 and 60,316.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.