Home / 136,672-212,112

Finding the Third Proportional to 136,672 and 212,112

Calculator

Solution

The third proportional to 136,672 and 212,112 is: 329,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,672 : 212,112 = 212,112 : x
  2. Step 2: Convert to fraction form
    136,672/212,112 = 212,112/x
  3. Step 3: Cross multiply
    136,672x = 212,112 × 212,112
  4. Step 4: Simplify right side
    136,672x = 44,991,500,544
  5. Step 5: Solve for x
    x = 44,991,500,544/136,672
  6. Step 6: Final answer
    x = 329,193.25

Related Problems

Find third proportional to 68,336 and 106,056
Half scale
Find third proportional to 273,344 and 424,224
Double scale
Find third proportional to 136,674 and 212,115
Similar ratio
Find third proportional to 205,008 and 318,168
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.