Home / 216,078-327,099

Finding the Third Proportional to 216,078 and 327,099

Calculator

Solution

The third proportional to 216,078 and 327,099 is: 495,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,078 : 327,099 = 327,099 : x
  2. Step 2: Convert to fraction form
    216,078/327,099 = 327,099/x
  3. Step 3: Cross multiply
    216,078x = 327,099 × 327,099
  4. Step 4: Simplify right side
    216,078x = 106,993,755,801
  5. Step 5: Solve for x
    x = 106,993,755,801/216,078
  6. Step 6: Final answer
    x = 495,162.65

Related Problems

Find third proportional to 108,039 and 163,549.50
Half scale
Find third proportional to 432,156 and 654,198
Double scale
Find third proportional to 216,080 and 327,102
Similar ratio
Find third proportional to 324,117 and 490,648.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.