Home / 28,080-43,480

Finding the Third Proportional to 28,080 and 43,480

Calculator

Solution

The third proportional to 28,080 and 43,480 is: 67,325.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080 : 43,480 = 43,480 : x
  2. Step 2: Convert to fraction form
    28,080/43,480 = 43,480/x
  3. Step 3: Cross multiply
    28,080x = 43,480 × 43,480
  4. Step 4: Simplify right side
    28,080x = 1,890,510,400
  5. Step 5: Solve for x
    x = 1,890,510,400/28,080
  6. Step 6: Final answer
    x = 67,325.87

Related Problems

Find third proportional to 14,040 and 21,740
Half scale
Find third proportional to 56,160 and 86,960
Double scale
Find third proportional to 28,082 and 43,483
Similar ratio
Find third proportional to 42,120 and 65,220
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.