Home / 40,178-86,836

Finding the Third Proportional to 40,178 and 86,836

Calculator

Solution

The third proportional to 40,178 and 86,836 is: 187,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178 : 86,836 = 86,836 : x
  2. Step 2: Convert to fraction form
    40,178/86,836 = 86,836/x
  3. Step 3: Cross multiply
    40,178x = 86,836 × 86,836
  4. Step 4: Simplify right side
    40,178x = 7,540,490,896
  5. Step 5: Solve for x
    x = 7,540,490,896/40,178
  6. Step 6: Final answer
    x = 187,677.11

Related Problems

Find third proportional to 20,089 and 43,418
Half scale
Find third proportional to 80,356 and 173,672
Double scale
Find third proportional to 40,180 and 86,840
Similar ratio
Find third proportional to 60,267 and 130,254
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.