Home / 56,162-81,939

Finding the Third Proportional to 56,162 and 81,939

Calculator

Solution

The third proportional to 56,162 and 81,939 is: 119,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,162 : 81,939 = 81,939 : x
  2. Step 2: Convert to fraction form
    56,162/81,939 = 81,939/x
  3. Step 3: Cross multiply
    56,162x = 81,939 × 81,939
  4. Step 4: Simplify right side
    56,162x = 6,713,999,721
  5. Step 5: Solve for x
    x = 6,713,999,721/56,162
  6. Step 6: Final answer
    x = 119,547.02

Related Problems

Find third proportional to 28,081 and 40,969.50
Half scale
Find third proportional to 112,324 and 163,878
Double scale
Find third proportional to 56,164 and 81,942
Similar ratio
Find third proportional to 84,243 and 122,908.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.