Home / 271,878-399,882

Finding the Third Proportional to 271,878 and 399,882

Calculator

Solution

The third proportional to 271,878 and 399,882 is: 588,152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,878 : 399,882 = 399,882 : x
  2. Step 2: Convert to fraction form
    271,878/399,882 = 399,882/x
  3. Step 3: Cross multiply
    271,878x = 399,882 × 399,882
  4. Step 4: Simplify right side
    271,878x = 159,905,613,924
  5. Step 5: Solve for x
    x = 159,905,613,924/271,878
  6. Step 6: Final answer
    x = 588,152.09

Related Problems

Find third proportional to 135,939 and 199,941
Half scale
Find third proportional to 543,756 and 799,764
Double scale
Find third proportional to 271,880 and 399,885
Similar ratio
Find third proportional to 407,817 and 599,823
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.