Home / 30,630-67,467

Finding the Third Proportional to 30,630 and 67,467

Calculator

Solution

The third proportional to 30,630 and 67,467 is: 148,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630 : 67,467 = 67,467 : x
  2. Step 2: Convert to fraction form
    30,630/67,467 = 67,467/x
  3. Step 3: Cross multiply
    30,630x = 67,467 × 67,467
  4. Step 4: Simplify right side
    30,630x = 4,551,796,089
  5. Step 5: Solve for x
    x = 4,551,796,089/30,630
  6. Step 6: Final answer
    x = 148,605.81

Related Problems

Find third proportional to 15,315 and 33,733.50
Half scale
Find third proportional to 61,260 and 134,934
Double scale
Find third proportional to 30,632 and 67,471
Similar ratio
Find third proportional to 45,945 and 101,200.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.