Home / 326.50-356

Finding the Third Proportional to 326.50 and 356

Calculator

Solution

The third proportional to 326.50 and 356 is: 388.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.50 : 356 = 356 : x
  2. Step 2: Convert to fraction form
    326.50/356 = 356/x
  3. Step 3: Cross multiply
    326.50x = 356 × 356
  4. Step 4: Simplify right side
    326.50x = 126,736
  5. Step 5: Solve for x
    x = 126,736/326.50
  6. Step 6: Final answer
    x = 388.17

Related Problems

Find third proportional to 163.25 and 178
Half scale
Find third proportional to 653 and 712
Double scale
Find third proportional to 329 and 358
Similar ratio
Find third proportional to 489.75 and 534
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.