Home / 54,328-85,866

Finding the Third Proportional to 54,328 and 85,866

Calculator

Solution

The third proportional to 54,328 and 85,866 is: 135,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328 : 85,866 = 85,866 : x
  2. Step 2: Convert to fraction form
    54,328/85,866 = 85,866/x
  3. Step 3: Cross multiply
    54,328x = 85,866 × 85,866
  4. Step 4: Simplify right side
    54,328x = 7,372,969,956
  5. Step 5: Solve for x
    x = 7,372,969,956/54,328
  6. Step 6: Final answer
    x = 135,712.15

Related Problems

Find third proportional to 27,164 and 42,933
Half scale
Find third proportional to 108,656 and 171,732
Double scale
Find third proportional to 54,330 and 85,869
Similar ratio
Find third proportional to 81,492 and 128,799
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.