Home / 271,758-399,645

Finding the Third Proportional to 271,758 and 399,645

Calculator

Solution

The third proportional to 271,758 and 399,645 is: 587,714.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,758 : 399,645 = 399,645 : x
  2. Step 2: Convert to fraction form
    271,758/399,645 = 399,645/x
  3. Step 3: Cross multiply
    271,758x = 399,645 × 399,645
  4. Step 4: Simplify right side
    271,758x = 159,716,126,025
  5. Step 5: Solve for x
    x = 159,716,126,025/271,758
  6. Step 6: Final answer
    x = 587,714.53

Related Problems

Find third proportional to 135,879 and 199,822.50
Half scale
Find third proportional to 543,516 and 799,290
Double scale
Find third proportional to 271,760 and 399,648
Similar ratio
Find third proportional to 407,637 and 599,467.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.