Home / 61,422-129,033

Finding the Third Proportional to 61,422 and 129,033

Calculator

Solution

The third proportional to 61,422 and 129,033 is: 271,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,422 : 129,033 = 129,033 : x
  2. Step 2: Convert to fraction form
    61,422/129,033 = 129,033/x
  3. Step 3: Cross multiply
    61,422x = 129,033 × 129,033
  4. Step 4: Simplify right side
    61,422x = 16,649,515,089
  5. Step 5: Solve for x
    x = 16,649,515,089/61,422
  6. Step 6: Final answer
    x = 271,067.62

Related Problems

Find third proportional to 30,711 and 64,516.50
Half scale
Find third proportional to 122,844 and 258,066
Double scale
Find third proportional to 61,424 and 129,037
Similar ratio
Find third proportional to 92,133 and 193,549.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.