Home / 263,305-397,275

Finding the Third Proportional to 263,305 and 397,275

Calculator

Solution

The third proportional to 263,305 and 397,275 is: 599,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,305 : 397,275 = 397,275 : x
  2. Step 2: Convert to fraction form
    263,305/397,275 = 397,275/x
  3. Step 3: Cross multiply
    263,305x = 397,275 × 397,275
  4. Step 4: Simplify right side
    263,305x = 157,827,425,625
  5. Step 5: Solve for x
    x = 157,827,425,625/263,305
  6. Step 6: Final answer
    x = 599,409.15

Related Problems

Find third proportional to 131,652.50 and 198,637.50
Half scale
Find third proportional to 526,610 and 794,550
Double scale
Find third proportional to 263,307 and 397,278
Similar ratio
Find third proportional to 394,957.50 and 595,912.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.