Home / 326.50-385

Finding the Third Proportional to 326.50 and 385

Calculator

Solution

The third proportional to 326.50 and 385 is: 453.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.50 : 385 = 385 : x
  2. Step 2: Convert to fraction form
    326.50/385 = 385/x
  3. Step 3: Cross multiply
    326.50x = 385 × 385
  4. Step 4: Simplify right side
    326.50x = 148,225
  5. Step 5: Solve for x
    x = 148,225/326.50
  6. Step 6: Final answer
    x = 453.98

Related Problems

Find third proportional to 163.25 and 192.50
Half scale
Find third proportional to 653 and 770
Double scale
Find third proportional to 329 and 387
Similar ratio
Find third proportional to 489.75 and 577.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.