Home / 28,245-43,707

Finding the Third Proportional to 28,245 and 43,707

Calculator

Solution

The third proportional to 28,245 and 43,707 is: 67,633.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245 : 43,707 = 43,707 : x
  2. Step 2: Convert to fraction form
    28,245/43,707 = 43,707/x
  3. Step 3: Cross multiply
    28,245x = 43,707 × 43,707
  4. Step 4: Simplify right side
    28,245x = 1,910,301,849
  5. Step 5: Solve for x
    x = 1,910,301,849/28,245
  6. Step 6: Final answer
    x = 67,633.27

Related Problems

Find third proportional to 14,122.50 and 21,853.50
Half scale
Find third proportional to 56,490 and 87,414
Double scale
Find third proportional to 28,247 and 43,710
Similar ratio
Find third proportional to 42,367.50 and 65,560.50
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.