Home / 112,930-172,918

Finding the Third Proportional to 112,930 and 172,918

Calculator

Solution

The third proportional to 112,930 and 172,918 is: 264,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,930 : 172,918 = 172,918 : x
  2. Step 2: Convert to fraction form
    112,930/172,918 = 172,918/x
  3. Step 3: Cross multiply
    112,930x = 172,918 × 172,918
  4. Step 4: Simplify right side
    112,930x = 29,900,634,724
  5. Step 5: Solve for x
    x = 29,900,634,724/112,930
  6. Step 6: Final answer
    x = 264,771.40

Related Problems

Find third proportional to 56,465 and 86,459
Half scale
Find third proportional to 225,860 and 345,836
Double scale
Find third proportional to 112,932 and 172,921
Similar ratio
Find third proportional to 169,395 and 259,377
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.