Home / 212,976-323,352

Finding the Third Proportional to 212,976 and 323,352

Calculator

Solution

The third proportional to 212,976 and 323,352 is: 490,930.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,976 : 323,352 = 323,352 : x
  2. Step 2: Convert to fraction form
    212,976/323,352 = 323,352/x
  3. Step 3: Cross multiply
    212,976x = 323,352 × 323,352
  4. Step 4: Simplify right side
    212,976x = 104,556,515,904
  5. Step 5: Solve for x
    x = 104,556,515,904/212,976
  6. Step 6: Final answer
    x = 490,930.98

Related Problems

Find third proportional to 106,488 and 161,676
Half scale
Find third proportional to 425,952 and 646,704
Double scale
Find third proportional to 212,978 and 323,355
Similar ratio
Find third proportional to 319,464 and 485,028
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.