Home / 139,222-212,097

Finding the Third Proportional to 139,222 and 212,097

Calculator

Solution

The third proportional to 139,222 and 212,097 is: 323,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,222 : 212,097 = 212,097 : x
  2. Step 2: Convert to fraction form
    139,222/212,097 = 212,097/x
  3. Step 3: Cross multiply
    139,222x = 212,097 × 212,097
  4. Step 4: Simplify right side
    139,222x = 44,985,137,409
  5. Step 5: Solve for x
    x = 44,985,137,409/139,222
  6. Step 6: Final answer
    x = 323,118.02

Related Problems

Find third proportional to 69,611 and 106,048.50
Half scale
Find third proportional to 278,444 and 424,194
Double scale
Find third proportional to 139,224 and 212,100
Similar ratio
Find third proportional to 208,833 and 318,145.50
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.