Home / 172,038-252,981

Finding the Third Proportional to 172,038 and 252,981

Calculator

Solution

The third proportional to 172,038 and 252,981 is: 372,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,038 : 252,981 = 252,981 : x
  2. Step 2: Convert to fraction form
    172,038/252,981 = 252,981/x
  3. Step 3: Cross multiply
    172,038x = 252,981 × 252,981
  4. Step 4: Simplify right side
    172,038x = 63,999,386,361
  5. Step 5: Solve for x
    x = 63,999,386,361/172,038
  6. Step 6: Final answer
    x = 372,007.27

Related Problems

Find third proportional to 86,019 and 126,490.50
Half scale
Find third proportional to 344,076 and 505,962
Double scale
Find third proportional to 172,040 and 252,984
Similar ratio
Find third proportional to 258,057 and 379,471.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.