Home / 28,779-43,769

Finding the Third Proportional to 28,779 and 43,769

Calculator

Solution

The third proportional to 28,779 and 43,769 is: 66,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779 : 43,769 = 43,769 : x
  2. Step 2: Convert to fraction form
    28,779/43,769 = 43,769/x
  3. Step 3: Cross multiply
    28,779x = 43,769 × 43,769
  4. Step 4: Simplify right side
    28,779x = 1,915,725,361
  5. Step 5: Solve for x
    x = 1,915,725,361/28,779
  6. Step 6: Final answer
    x = 66,566.78

Related Problems

Find third proportional to 14,389.50 and 21,884.50
Half scale
Find third proportional to 57,558 and 87,538
Double scale
Find third proportional to 28,781 and 43,772
Similar ratio
Find third proportional to 43,168.50 and 65,653.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.