Home / 284,161-621,836

Finding the Third Proportional to 284,161 and 621,836

Calculator

Solution

The third proportional to 284,161 and 621,836 is: 1,360,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,161 : 621,836 = 621,836 : x
  2. Step 2: Convert to fraction form
    284,161/621,836 = 621,836/x
  3. Step 3: Cross multiply
    284,161x = 621,836 × 621,836
  4. Step 4: Simplify right side
    284,161x = 386,680,010,896
  5. Step 5: Solve for x
    x = 386,680,010,896/284,161
  6. Step 6: Final answer
    x = 1,360,777.91

Related Problems

Find third proportional to 142,080.50 and 310,918
Half scale
Find third proportional to 568,322 and 1,243,672
Double scale
Find third proportional to 284,163 and 621,840
Similar ratio
Find third proportional to 426,241.50 and 932,754
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.