Home / 306,075-661,331

Finding the Third Proportional to 306,075 and 661,331

Calculator

Solution

The third proportional to 306,075 and 661,331 is: 1,428,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,075 : 661,331 = 661,331 : x
  2. Step 2: Convert to fraction form
    306,075/661,331 = 661,331/x
  3. Step 3: Cross multiply
    306,075x = 661,331 × 661,331
  4. Step 4: Simplify right side
    306,075x = 437,358,691,561
  5. Step 5: Solve for x
    x = 437,358,691,561/306,075
  6. Step 6: Final answer
    x = 1,428,926.54

Related Problems

Find third proportional to 153,037.50 and 330,665.50
Half scale
Find third proportional to 612,150 and 1,322,662
Double scale
Find third proportional to 306,077 and 661,335
Similar ratio
Find third proportional to 459,112.50 and 991,996.50
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.