Home / 69,705-104,715

Finding the Third Proportional to 69,705 and 104,715

Calculator

Solution

The third proportional to 69,705 and 104,715 is: 157,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,705 : 104,715 = 104,715 : x
  2. Step 2: Convert to fraction form
    69,705/104,715 = 104,715/x
  3. Step 3: Cross multiply
    69,705x = 104,715 × 104,715
  4. Step 4: Simplify right side
    69,705x = 10,965,231,225
  5. Step 5: Solve for x
    x = 10,965,231,225/69,705
  6. Step 6: Final answer
    x = 157,309.11

Related Problems

Find third proportional to 34,852.50 and 52,357.50
Half scale
Find third proportional to 139,410 and 209,430
Double scale
Find third proportional to 69,707 and 104,718
Similar ratio
Find third proportional to 104,557.50 and 157,072.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.