Home / 79,347-172,938

Finding the Third Proportional to 79,347 and 172,938

Calculator

Solution

The third proportional to 79,347 and 172,938 is: 376,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,347 : 172,938 = 172,938 : x
  2. Step 2: Convert to fraction form
    79,347/172,938 = 172,938/x
  3. Step 3: Cross multiply
    79,347x = 172,938 × 172,938
  4. Step 4: Simplify right side
    79,347x = 29,907,551,844
  5. Step 5: Solve for x
    x = 29,907,551,844/79,347
  6. Step 6: Final answer
    x = 376,921.02

Related Problems

Find third proportional to 39,673.50 and 86,469
Half scale
Find third proportional to 158,694 and 345,876
Double scale
Find third proportional to 79,349 and 172,942
Similar ratio
Find third proportional to 119,020.50 and 259,407
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.