Home / 132,168-212,808

Finding the Third Proportional to 132,168 and 212,808

Calculator

Solution

The third proportional to 132,168 and 212,808 is: 342,649.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,168 : 212,808 = 212,808 : x
  2. Step 2: Convert to fraction form
    132,168/212,808 = 212,808/x
  3. Step 3: Cross multiply
    132,168x = 212,808 × 212,808
  4. Step 4: Simplify right side
    132,168x = 45,287,244,864
  5. Step 5: Solve for x
    x = 45,287,244,864/132,168
  6. Step 6: Final answer
    x = 342,649.09

Related Problems

Find third proportional to 66,084 and 106,404
Half scale
Find third proportional to 264,336 and 425,616
Double scale
Find third proportional to 132,170 and 212,811
Similar ratio
Find third proportional to 198,252 and 319,212
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.