Home / 218,150-320,044

Finding the Third Proportional to 218,150 and 320,044

Calculator

Solution

The third proportional to 218,150 and 320,044 is: 469,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,150 : 320,044 = 320,044 : x
  2. Step 2: Convert to fraction form
    218,150/320,044 = 320,044/x
  3. Step 3: Cross multiply
    218,150x = 320,044 × 320,044
  4. Step 4: Simplify right side
    218,150x = 102,428,161,936
  5. Step 5: Solve for x
    x = 102,428,161,936/218,150
  6. Step 6: Final answer
    x = 469,530.88

Related Problems

Find third proportional to 109,075 and 160,022
Half scale
Find third proportional to 436,300 and 640,088
Double scale
Find third proportional to 218,152 and 320,047
Similar ratio
Find third proportional to 327,225 and 480,066
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.