Home / 28,680-62,869

Finding the Third Proportional to 28,680 and 62,869

Calculator

Solution

The third proportional to 28,680 and 62,869 is: 137,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680 : 62,869 = 62,869 : x
  2. Step 2: Convert to fraction form
    28,680/62,869 = 62,869/x
  3. Step 3: Cross multiply
    28,680x = 62,869 × 62,869
  4. Step 4: Simplify right side
    28,680x = 3,952,511,161
  5. Step 5: Solve for x
    x = 3,952,511,161/28,680
  6. Step 6: Final answer
    x = 137,814.20

Related Problems

Find third proportional to 14,340 and 31,434.50
Half scale
Find third proportional to 57,360 and 125,738
Double scale
Find third proportional to 28,682 and 62,873
Similar ratio
Find third proportional to 43,020 and 94,303.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.