Home / 165,109-255,105

Finding the Third Proportional to 165,109 and 255,105

Calculator

Solution

The third proportional to 165,109 and 255,105 is: 394,155.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,109 : 255,105 = 255,105 : x
  2. Step 2: Convert to fraction form
    165,109/255,105 = 255,105/x
  3. Step 3: Cross multiply
    165,109x = 255,105 × 255,105
  4. Step 4: Simplify right side
    165,109x = 65,078,561,025
  5. Step 5: Solve for x
    x = 65,078,561,025/165,109
  6. Step 6: Final answer
    x = 394,155.14

Related Problems

Find third proportional to 82,554.50 and 127,552.50
Half scale
Find third proportional to 330,218 and 510,210
Double scale
Find third proportional to 165,111 and 255,108
Similar ratio
Find third proportional to 247,663.50 and 382,657.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.