Home / 21,450-32,130

Finding the Third Proportional to 21,450 and 32,130

Calculator

Solution

The third proportional to 21,450 and 32,130 is: 48,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450 : 32,130 = 32,130 : x
  2. Step 2: Convert to fraction form
    21,450/32,130 = 32,130/x
  3. Step 3: Cross multiply
    21,450x = 32,130 × 32,130
  4. Step 4: Simplify right side
    21,450x = 1,032,336,900
  5. Step 5: Solve for x
    x = 1,032,336,900/21,450
  6. Step 6: Final answer
    x = 48,127.59

Related Problems

Find third proportional to 10,725 and 16,065
Half scale
Find third proportional to 42,900 and 64,260
Double scale
Find third proportional to 21,452 and 32,133
Similar ratio
Find third proportional to 32,175 and 48,195
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.