Home / 399,741-615,048

Finding the Third Proportional to 399,741 and 615,048

Calculator

Solution

The third proportional to 399,741 and 615,048 is: 946,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,741 : 615,048 = 615,048 : x
  2. Step 2: Convert to fraction form
    399,741/615,048 = 615,048/x
  3. Step 3: Cross multiply
    399,741x = 615,048 × 615,048
  4. Step 4: Simplify right side
    399,741x = 378,284,042,304
  5. Step 5: Solve for x
    x = 378,284,042,304/399,741
  6. Step 6: Final answer
    x = 946,322.85

Related Problems

Find third proportional to 199,870.50 and 307,524
Half scale
Find third proportional to 799,482 and 1,230,096
Double scale
Find third proportional to 399,743 and 615,051
Similar ratio
Find third proportional to 599,611.50 and 922,572
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.