Home / 202-403

Finding the Third Proportional to 202 and 403

Calculator

Solution

The third proportional to 202 and 403 is: 804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202 : 403 = 403 : x
  2. Step 2: Convert to fraction form
    202/403 = 403/x
  3. Step 3: Cross multiply
    202x = 403 × 403
  4. Step 4: Simplify right side
    202x = 162,409
  5. Step 5: Solve for x
    x = 162,409/202
  6. Step 6: Final answer
    x = 804.00

Related Problems

Find third proportional to 101 and 201.50
Half scale
Find third proportional to 404 and 806
Double scale
Find third proportional to 204 and 407
Similar ratio
Find third proportional to 303 and 604.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.