Home / 170,210-269,395

Finding the Third Proportional to 170,210 and 269,395

Calculator

Solution

The third proportional to 170,210 and 269,395 is: 426,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,210 : 269,395 = 269,395 : x
  2. Step 2: Convert to fraction form
    170,210/269,395 = 269,395/x
  3. Step 3: Cross multiply
    170,210x = 269,395 × 269,395
  4. Step 4: Simplify right side
    170,210x = 72,573,666,025
  5. Step 5: Solve for x
    x = 72,573,666,025/170,210
  6. Step 6: Final answer
    x = 426,377.22

Related Problems

Find third proportional to 85,105 and 134,697.50
Half scale
Find third proportional to 340,420 and 538,790
Double scale
Find third proportional to 170,212 and 269,398
Similar ratio
Find third proportional to 255,315 and 404,092.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.