Home / 52,908-81,974

Finding the Third Proportional to 52,908 and 81,974

Calculator

Solution

The third proportional to 52,908 and 81,974 is: 127,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,908 : 81,974 = 81,974 : x
  2. Step 2: Convert to fraction form
    52,908/81,974 = 81,974/x
  3. Step 3: Cross multiply
    52,908x = 81,974 × 81,974
  4. Step 4: Simplify right side
    52,908x = 6,719,736,676
  5. Step 5: Solve for x
    x = 6,719,736,676/52,908
  6. Step 6: Final answer
    x = 127,007.95

Related Problems

Find third proportional to 26,454 and 40,987
Half scale
Find third proportional to 105,816 and 163,948
Double scale
Find third proportional to 52,910 and 81,977
Similar ratio
Find third proportional to 79,362 and 122,961
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.