Home / 34,145-69,977

Finding the Third Proportional to 34,145 and 69,977

Calculator

Solution

The third proportional to 34,145 and 69,977 is: 143,411.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145 : 69,977 = 69,977 : x
  2. Step 2: Convert to fraction form
    34,145/69,977 = 69,977/x
  3. Step 3: Cross multiply
    34,145x = 69,977 × 69,977
  4. Step 4: Simplify right side
    34,145x = 4,896,780,529
  5. Step 5: Solve for x
    x = 4,896,780,529/34,145
  6. Step 6: Final answer
    x = 143,411.35

Related Problems

Find third proportional to 17,072.50 and 34,988.50
Half scale
Find third proportional to 68,290 and 139,954
Double scale
Find third proportional to 34,147 and 69,981
Similar ratio
Find third proportional to 51,217.50 and 104,965.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.