Home / 30,828-67,366

Finding the Third Proportional to 30,828 and 67,366

Calculator

Solution

The third proportional to 30,828 and 67,366 is: 147,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,828 : 67,366 = 67,366 : x
  2. Step 2: Convert to fraction form
    30,828/67,366 = 67,366/x
  3. Step 3: Cross multiply
    30,828x = 67,366 × 67,366
  4. Step 4: Simplify right side
    30,828x = 4,538,177,956
  5. Step 5: Solve for x
    x = 4,538,177,956/30,828
  6. Step 6: Final answer
    x = 147,209.61

Related Problems

Find third proportional to 15,414 and 33,683
Half scale
Find third proportional to 61,656 and 134,732
Double scale
Find third proportional to 30,830 and 67,370
Similar ratio
Find third proportional to 46,242 and 101,049
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.