Home / 169,821-356,166

Finding the Third Proportional to 169,821 and 356,166

Calculator

Solution

The third proportional to 169,821 and 356,166 is: 746,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,821 : 356,166 = 356,166 : x
  2. Step 2: Convert to fraction form
    169,821/356,166 = 356,166/x
  3. Step 3: Cross multiply
    169,821x = 356,166 × 356,166
  4. Step 4: Simplify right side
    169,821x = 126,854,219,556
  5. Step 5: Solve for x
    x = 126,854,219,556/169,821
  6. Step 6: Final answer
    x = 746,987.83

Related Problems

Find third proportional to 84,910.50 and 178,083
Half scale
Find third proportional to 339,642 and 712,332
Double scale
Find third proportional to 169,823 and 356,170
Similar ratio
Find third proportional to 254,731.50 and 534,249
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.