Home / 284,857-440,931

Finding the Third Proportional to 284,857 and 440,931

Calculator

Solution

The third proportional to 284,857 and 440,931 is: 682,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,857 : 440,931 = 440,931 : x
  2. Step 2: Convert to fraction form
    284,857/440,931 = 440,931/x
  3. Step 3: Cross multiply
    284,857x = 440,931 × 440,931
  4. Step 4: Simplify right side
    284,857x = 194,420,146,761
  5. Step 5: Solve for x
    x = 194,420,146,761/284,857
  6. Step 6: Final answer
    x = 682,518.41

Related Problems

Find third proportional to 142,428.50 and 220,465.50
Half scale
Find third proportional to 569,714 and 881,862
Double scale
Find third proportional to 284,859 and 440,934
Similar ratio
Find third proportional to 427,285.50 and 661,396.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.