Home / 216,072-327,090

Finding the Third Proportional to 216,072 and 327,090

Calculator

Solution

The third proportional to 216,072 and 327,090 is: 495,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,072 : 327,090 = 327,090 : x
  2. Step 2: Convert to fraction form
    216,072/327,090 = 327,090/x
  3. Step 3: Cross multiply
    216,072x = 327,090 × 327,090
  4. Step 4: Simplify right side
    216,072x = 106,987,868,100
  5. Step 5: Solve for x
    x = 106,987,868,100/216,072
  6. Step 6: Final answer
    x = 495,149.15

Related Problems

Find third proportional to 108,036 and 163,545
Half scale
Find third proportional to 432,144 and 654,180
Double scale
Find third proportional to 216,074 and 327,093
Similar ratio
Find third proportional to 324,108 and 490,635
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.