Home / 426,192-647,063

Finding the Third Proportional to 426,192 and 647,063

Calculator

Solution

The third proportional to 426,192 and 647,063 is: 982,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,192 : 647,063 = 647,063 : x
  2. Step 2: Convert to fraction form
    426,192/647,063 = 647,063/x
  3. Step 3: Cross multiply
    426,192x = 647,063 × 647,063
  4. Step 4: Simplify right side
    426,192x = 418,690,525,969
  5. Step 5: Solve for x
    x = 418,690,525,969/426,192
  6. Step 6: Final answer
    x = 982,398.84

Related Problems

Find third proportional to 213,096 and 323,531.50
Half scale
Find third proportional to 852,384 and 1,294,126
Double scale
Find third proportional to 426,194 and 647,066
Similar ratio
Find third proportional to 639,288 and 970,594.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.