Home / 81,432-170,268

Finding the Third Proportional to 81,432 and 170,268

Calculator

Solution

The third proportional to 81,432 and 170,268 is: 356,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,432 : 170,268 = 170,268 : x
  2. Step 2: Convert to fraction form
    81,432/170,268 = 170,268/x
  3. Step 3: Cross multiply
    81,432x = 170,268 × 170,268
  4. Step 4: Simplify right side
    81,432x = 28,991,191,824
  5. Step 5: Solve for x
    x = 28,991,191,824/81,432
  6. Step 6: Final answer
    x = 356,017.19

Related Problems

Find third proportional to 40,716 and 85,134
Half scale
Find third proportional to 162,864 and 340,536
Double scale
Find third proportional to 81,434 and 170,272
Similar ratio
Find third proportional to 122,148 and 255,402
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.