Home / 172,990-371,852

Finding the Third Proportional to 172,990 and 371,852

Calculator

Solution

The third proportional to 172,990 and 371,852 is: 799,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,990 : 371,852 = 371,852 : x
  2. Step 2: Convert to fraction form
    172,990/371,852 = 371,852/x
  3. Step 3: Cross multiply
    172,990x = 371,852 × 371,852
  4. Step 4: Simplify right side
    172,990x = 138,273,909,904
  5. Step 5: Solve for x
    x = 138,273,909,904/172,990
  6. Step 6: Final answer
    x = 799,317.36

Related Problems

Find third proportional to 86,495 and 185,926
Half scale
Find third proportional to 345,980 and 743,704
Double scale
Find third proportional to 172,992 and 371,856
Similar ratio
Find third proportional to 259,485 and 557,778
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.