Home / 199,288-291,268

Finding the Third Proportional to 199,288 and 291,268

Calculator

Solution

The third proportional to 199,288 and 291,268 is: 425,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,288 : 291,268 = 291,268 : x
  2. Step 2: Convert to fraction form
    199,288/291,268 = 291,268/x
  3. Step 3: Cross multiply
    199,288x = 291,268 × 291,268
  4. Step 4: Simplify right side
    199,288x = 84,837,047,824
  5. Step 5: Solve for x
    x = 84,837,047,824/199,288
  6. Step 6: Final answer
    x = 425,700.73

Related Problems

Find third proportional to 99,644 and 145,634
Half scale
Find third proportional to 398,576 and 582,536
Double scale
Find third proportional to 199,290 and 291,271
Similar ratio
Find third proportional to 298,932 and 436,902
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.