Home / 28,350-61,880

Finding the Third Proportional to 28,350 and 61,880

Calculator

Solution

The third proportional to 28,350 and 61,880 is: 135,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350 : 61,880 = 61,880 : x
  2. Step 2: Convert to fraction form
    28,350/61,880 = 61,880/x
  3. Step 3: Cross multiply
    28,350x = 61,880 × 61,880
  4. Step 4: Simplify right side
    28,350x = 3,829,134,400
  5. Step 5: Solve for x
    x = 3,829,134,400/28,350
  6. Step 6: Final answer
    x = 135,066.47

Related Problems

Find third proportional to 14,175 and 30,940
Half scale
Find third proportional to 56,700 and 123,760
Double scale
Find third proportional to 28,352 and 61,884
Similar ratio
Find third proportional to 42,525 and 92,820
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.