Home / 40,209-85,761

Finding the Third Proportional to 40,209 and 85,761

Calculator

Solution

The third proportional to 40,209 and 85,761 is: 182,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,209 : 85,761 = 85,761 : x
  2. Step 2: Convert to fraction form
    40,209/85,761 = 85,761/x
  3. Step 3: Cross multiply
    40,209x = 85,761 × 85,761
  4. Step 4: Simplify right side
    40,209x = 7,354,949,121
  5. Step 5: Solve for x
    x = 7,354,949,121/40,209
  6. Step 6: Final answer
    x = 182,917.98

Related Problems

Find third proportional to 20,104.50 and 42,880.50
Half scale
Find third proportional to 80,418 and 171,522
Double scale
Find third proportional to 40,211 and 85,765
Similar ratio
Find third proportional to 60,313.50 and 128,641.50
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.