Home / 129,616-199,952

Finding the Third Proportional to 129,616 and 199,952

Calculator

Solution

The third proportional to 129,616 and 199,952 is: 308,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,616 : 199,952 = 199,952 : x
  2. Step 2: Convert to fraction form
    129,616/199,952 = 199,952/x
  3. Step 3: Cross multiply
    129,616x = 199,952 × 199,952
  4. Step 4: Simplify right side
    129,616x = 39,980,802,304
  5. Step 5: Solve for x
    x = 39,980,802,304/129,616
  6. Step 6: Final answer
    x = 308,455.76

Related Problems

Find third proportional to 64,808 and 99,976
Half scale
Find third proportional to 259,232 and 399,904
Double scale
Find third proportional to 129,618 and 199,955
Similar ratio
Find third proportional to 194,424 and 299,928
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.