Home / 235,957-511,280

Finding the Third Proportional to 235,957 and 511,280

Calculator

Solution

The third proportional to 235,957 and 511,280 is: 1,107,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,957 : 511,280 = 511,280 : x
  2. Step 2: Convert to fraction form
    235,957/511,280 = 511,280/x
  3. Step 3: Cross multiply
    235,957x = 511,280 × 511,280
  4. Step 4: Simplify right side
    235,957x = 261,407,238,400
  5. Step 5: Solve for x
    x = 261,407,238,400/235,957
  6. Step 6: Final answer
    x = 1,107,859.65

Related Problems

Find third proportional to 117,978.50 and 255,640
Half scale
Find third proportional to 471,914 and 1,022,560
Double scale
Find third proportional to 235,959 and 511,284
Similar ratio
Find third proportional to 353,935.50 and 766,920
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.