Home / 213,922-328,843

Finding the Third Proportional to 213,922 and 328,843

Calculator

Solution

The third proportional to 213,922 and 328,843 is: 505,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,922 : 328,843 = 328,843 : x
  2. Step 2: Convert to fraction form
    213,922/328,843 = 328,843/x
  3. Step 3: Cross multiply
    213,922x = 328,843 × 328,843
  4. Step 4: Simplify right side
    213,922x = 108,137,718,649
  5. Step 5: Solve for x
    x = 108,137,718,649/213,922
  6. Step 6: Final answer
    x = 505,500.69

Related Problems

Find third proportional to 106,961 and 164,421.50
Half scale
Find third proportional to 427,844 and 657,686
Double scale
Find third proportional to 213,924 and 328,846
Similar ratio
Find third proportional to 320,883 and 493,264.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.