Home / 172,649-377,320

Finding the Third Proportional to 172,649 and 377,320

Calculator

Solution

The third proportional to 172,649 and 377,320 is: 824,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649 : 377,320 = 377,320 : x
  2. Step 2: Convert to fraction form
    172,649/377,320 = 377,320/x
  3. Step 3: Cross multiply
    172,649x = 377,320 × 377,320
  4. Step 4: Simplify right side
    172,649x = 142,370,382,400
  5. Step 5: Solve for x
    x = 142,370,382,400/172,649
  6. Step 6: Final answer
    x = 824,623.27

Related Problems

Find third proportional to 86,324.50 and 188,660
Half scale
Find third proportional to 345,298 and 754,640
Double scale
Find third proportional to 172,651 and 377,324
Similar ratio
Find third proportional to 258,973.50 and 565,980
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.