Home / 328,066-682,310

Finding the Third Proportional to 328,066 and 682,310

Calculator

Solution

The third proportional to 328,066 and 682,310 is: 1,419,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,066 : 682,310 = 682,310 : x
  2. Step 2: Convert to fraction form
    328,066/682,310 = 682,310/x
  3. Step 3: Cross multiply
    328,066x = 682,310 × 682,310
  4. Step 4: Simplify right side
    328,066x = 465,546,936,100
  5. Step 5: Solve for x
    x = 465,546,936,100/328,066
  6. Step 6: Final answer
    x = 1,419,064.87

Related Problems

Find third proportional to 164,033 and 341,155
Half scale
Find third proportional to 656,132 and 1,364,620
Double scale
Find third proportional to 328,068 and 682,314
Similar ratio
Find third proportional to 492,099 and 1,023,465
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.