Home / 80,190-170,181

Finding the Third Proportional to 80,190 and 170,181

Calculator

Solution

The third proportional to 80,190 and 170,181 is: 361,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,190 : 170,181 = 170,181 : x
  2. Step 2: Convert to fraction form
    80,190/170,181 = 170,181/x
  3. Step 3: Cross multiply
    80,190x = 170,181 × 170,181
  4. Step 4: Simplify right side
    80,190x = 28,961,572,761
  5. Step 5: Solve for x
    x = 28,961,572,761/80,190
  6. Step 6: Final answer
    x = 361,161.90

Related Problems

Find third proportional to 40,095 and 85,090.50
Half scale
Find third proportional to 160,380 and 340,362
Double scale
Find third proportional to 80,192 and 170,185
Similar ratio
Find third proportional to 120,285 and 255,271.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.