Home / 172,933-378,671

Finding the Third Proportional to 172,933 and 378,671

Calculator

Solution

The third proportional to 172,933 and 378,671 is: 829,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,933 : 378,671 = 378,671 : x
  2. Step 2: Convert to fraction form
    172,933/378,671 = 378,671/x
  3. Step 3: Cross multiply
    172,933x = 378,671 × 378,671
  4. Step 4: Simplify right side
    172,933x = 143,391,726,241
  5. Step 5: Solve for x
    x = 143,391,726,241/172,933
  6. Step 6: Final answer
    x = 829,175.03

Related Problems

Find third proportional to 86,466.50 and 189,335.50
Half scale
Find third proportional to 345,866 and 757,342
Double scale
Find third proportional to 172,935 and 378,675
Similar ratio
Find third proportional to 259,399.50 and 568,006.50
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.