Home / 399,238-603,014

Finding the Third Proportional to 399,238 and 603,014

Calculator

Solution

The third proportional to 399,238 and 603,014 is: 910,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,238 : 603,014 = 603,014 : x
  2. Step 2: Convert to fraction form
    399,238/603,014 = 603,014/x
  3. Step 3: Cross multiply
    399,238x = 603,014 × 603,014
  4. Step 4: Simplify right side
    399,238x = 363,625,884,196
  5. Step 5: Solve for x
    x = 363,625,884,196/399,238
  6. Step 6: Final answer
    x = 910,799.78

Related Problems

Find third proportional to 199,619 and 301,507
Half scale
Find third proportional to 798,476 and 1,206,028
Double scale
Find third proportional to 399,240 and 603,017
Similar ratio
Find third proportional to 598,857 and 904,521
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.