Home / 79,779-169,926

Finding the Third Proportional to 79,779 and 169,926

Calculator

Solution

The third proportional to 79,779 and 169,926 is: 361,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,779 : 169,926 = 169,926 : x
  2. Step 2: Convert to fraction form
    79,779/169,926 = 169,926/x
  3. Step 3: Cross multiply
    79,779x = 169,926 × 169,926
  4. Step 4: Simplify right side
    79,779x = 28,874,845,476
  5. Step 5: Solve for x
    x = 28,874,845,476/79,779
  6. Step 6: Final answer
    x = 361,935.42

Related Problems

Find third proportional to 39,889.50 and 84,963
Half scale
Find third proportional to 159,558 and 339,852
Double scale
Find third proportional to 79,781 and 169,930
Similar ratio
Find third proportional to 119,668.50 and 254,889
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.