Home / 71,696-108,515

Finding the Third Proportional to 71,696 and 108,515

Calculator

Solution

The third proportional to 71,696 and 108,515 is: 164,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,696 : 108,515 = 108,515 : x
  2. Step 2: Convert to fraction form
    71,696/108,515 = 108,515/x
  3. Step 3: Cross multiply
    71,696x = 108,515 × 108,515
  4. Step 4: Simplify right side
    71,696x = 11,775,505,225
  5. Step 5: Solve for x
    x = 11,775,505,225/71,696
  6. Step 6: Final answer
    x = 164,242.15

Related Problems

Find third proportional to 35,848 and 54,257.50
Half scale
Find third proportional to 143,392 and 217,030
Double scale
Find third proportional to 71,698 and 108,518
Similar ratio
Find third proportional to 107,544 and 162,772.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.