Home / 305,904-661,008

Finding the Third Proportional to 305,904 and 661,008

Calculator

Solution

The third proportional to 305,904 and 661,008 is: 1,428,329.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,904 : 661,008 = 661,008 : x
  2. Step 2: Convert to fraction form
    305,904/661,008 = 661,008/x
  3. Step 3: Cross multiply
    305,904x = 661,008 × 661,008
  4. Step 4: Simplify right side
    305,904x = 436,931,576,064
  5. Step 5: Solve for x
    x = 436,931,576,064/305,904
  6. Step 6: Final answer
    x = 1,428,329.07

Related Problems

Find third proportional to 152,952 and 330,504
Half scale
Find third proportional to 611,808 and 1,322,016
Double scale
Find third proportional to 305,906 and 661,012
Similar ratio
Find third proportional to 458,856 and 991,512
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.