Home / 291,938-439,203

Finding the Third Proportional to 291,938 and 439,203

Calculator

Solution

The third proportional to 291,938 and 439,203 is: 660,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,938 : 439,203 = 439,203 : x
  2. Step 2: Convert to fraction form
    291,938/439,203 = 439,203/x
  3. Step 3: Cross multiply
    291,938x = 439,203 × 439,203
  4. Step 4: Simplify right side
    291,938x = 192,899,275,209
  5. Step 5: Solve for x
    x = 192,899,275,209/291,938
  6. Step 6: Final answer
    x = 660,754.25

Related Problems

Find third proportional to 145,969 and 219,601.50
Half scale
Find third proportional to 583,876 and 878,406
Double scale
Find third proportional to 291,940 and 439,206
Similar ratio
Find third proportional to 437,907 and 658,804.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.