Home / 79,240-172,696

Finding the Third Proportional to 79,240 and 172,696

Calculator

Solution

The third proportional to 79,240 and 172,696 is: 376,374.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,240 : 172,696 = 172,696 : x
  2. Step 2: Convert to fraction form
    79,240/172,696 = 172,696/x
  3. Step 3: Cross multiply
    79,240x = 172,696 × 172,696
  4. Step 4: Simplify right side
    79,240x = 29,823,908,416
  5. Step 5: Solve for x
    x = 29,823,908,416/79,240
  6. Step 6: Final answer
    x = 376,374.41

Related Problems

Find third proportional to 39,620 and 86,348
Half scale
Find third proportional to 158,480 and 345,392
Double scale
Find third proportional to 79,242 and 172,700
Similar ratio
Find third proportional to 118,860 and 259,044
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.