Home / 216,102-327,129

Finding the Third Proportional to 216,102 and 327,129

Calculator

Solution

The third proportional to 216,102 and 327,129 is: 495,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,102 : 327,129 = 327,129 : x
  2. Step 2: Convert to fraction form
    216,102/327,129 = 327,129/x
  3. Step 3: Cross multiply
    216,102x = 327,129 × 327,129
  4. Step 4: Simplify right side
    216,102x = 107,013,382,641
  5. Step 5: Solve for x
    x = 107,013,382,641/216,102
  6. Step 6: Final answer
    x = 495,198.48

Related Problems

Find third proportional to 108,051 and 163,564.50
Half scale
Find third proportional to 432,204 and 654,258
Double scale
Find third proportional to 216,104 and 327,132
Similar ratio
Find third proportional to 324,153 and 490,693.50
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.