Home / 54,036-81,814

Finding the Third Proportional to 54,036 and 81,814

Calculator

Solution

The third proportional to 54,036 and 81,814 is: 123,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036 : 81,814 = 81,814 : x
  2. Step 2: Convert to fraction form
    54,036/81,814 = 81,814/x
  3. Step 3: Cross multiply
    54,036x = 81,814 × 81,814
  4. Step 4: Simplify right side
    54,036x = 6,693,530,596
  5. Step 5: Solve for x
    x = 6,693,530,596/54,036
  6. Step 6: Final answer
    x = 123,871.69

Related Problems

Find third proportional to 27,018 and 40,907
Half scale
Find third proportional to 108,072 and 163,628
Double scale
Find third proportional to 54,038 and 81,817
Similar ratio
Find third proportional to 81,054 and 122,721
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.