Home / 61,690-132,738

Finding the Third Proportional to 61,690 and 132,738

Calculator

Solution

The third proportional to 61,690 and 132,738 is: 285,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,690 : 132,738 = 132,738 : x
  2. Step 2: Convert to fraction form
    61,690/132,738 = 132,738/x
  3. Step 3: Cross multiply
    61,690x = 132,738 × 132,738
  4. Step 4: Simplify right side
    61,690x = 17,619,376,644
  5. Step 5: Solve for x
    x = 17,619,376,644/61,690
  6. Step 6: Final answer
    x = 285,611.55

Related Problems

Find third proportional to 30,845 and 66,369
Half scale
Find third proportional to 123,380 and 265,476
Double scale
Find third proportional to 61,692 and 132,742
Similar ratio
Find third proportional to 92,535 and 199,107
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.