Home / 99,074-207,940

Finding the Third Proportional to 99,074 and 207,940

Calculator

Solution

The third proportional to 99,074 and 207,940 is: 436,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,074 : 207,940 = 207,940 : x
  2. Step 2: Convert to fraction form
    99,074/207,940 = 207,940/x
  3. Step 3: Cross multiply
    99,074x = 207,940 × 207,940
  4. Step 4: Simplify right side
    99,074x = 43,239,043,600
  5. Step 5: Solve for x
    x = 43,239,043,600/99,074
  6. Step 6: Final answer
    x = 436,431.79

Related Problems

Find third proportional to 49,537 and 103,970
Half scale
Find third proportional to 198,148 and 415,880
Double scale
Find third proportional to 99,076 and 207,944
Similar ratio
Find third proportional to 148,611 and 311,910
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.