Home / 216,708-323,199

Finding the Third Proportional to 216,708 and 323,199

Calculator

Solution

The third proportional to 216,708 and 323,199 is: 482,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,708 : 323,199 = 323,199 : x
  2. Step 2: Convert to fraction form
    216,708/323,199 = 323,199/x
  3. Step 3: Cross multiply
    216,708x = 323,199 × 323,199
  4. Step 4: Simplify right side
    216,708x = 104,457,593,601
  5. Step 5: Solve for x
    x = 104,457,593,601/216,708
  6. Step 6: Final answer
    x = 482,020.02

Related Problems

Find third proportional to 108,354 and 161,599.50
Half scale
Find third proportional to 433,416 and 646,398
Double scale
Find third proportional to 216,710 and 323,202
Similar ratio
Find third proportional to 325,062 and 484,798.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.