Home / 81,142-174,767

Finding the Third Proportional to 81,142 and 174,767

Calculator

Solution

The third proportional to 81,142 and 174,767 is: 376,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,142 : 174,767 = 174,767 : x
  2. Step 2: Convert to fraction form
    81,142/174,767 = 174,767/x
  3. Step 3: Cross multiply
    81,142x = 174,767 × 174,767
  4. Step 4: Simplify right side
    81,142x = 30,543,504,289
  5. Step 5: Solve for x
    x = 30,543,504,289/81,142
  6. Step 6: Final answer
    x = 376,420.40

Related Problems

Find third proportional to 40,571 and 87,383.50
Half scale
Find third proportional to 162,284 and 349,534
Double scale
Find third proportional to 81,144 and 174,771
Similar ratio
Find third proportional to 121,713 and 262,150.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.