Home / 271,556-379,831

Finding the Third Proportional to 271,556 and 379,831

Calculator

Solution

The third proportional to 271,556 and 379,831 is: 531,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,556 : 379,831 = 379,831 : x
  2. Step 2: Convert to fraction form
    271,556/379,831 = 379,831/x
  3. Step 3: Cross multiply
    271,556x = 379,831 × 379,831
  4. Step 4: Simplify right side
    271,556x = 144,271,588,561
  5. Step 5: Solve for x
    x = 144,271,588,561/271,556
  6. Step 6: Final answer
    x = 531,277.48

Related Problems

Find third proportional to 135,778 and 189,915.50
Half scale
Find third proportional to 543,112 and 759,662
Double scale
Find third proportional to 271,558 and 379,834
Similar ratio
Find third proportional to 407,334 and 569,746.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.