Home / 131,242-203,605

Finding the Third Proportional to 131,242 and 203,605

Calculator

Solution

The third proportional to 131,242 and 203,605 is: 315,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,242 : 203,605 = 203,605 : x
  2. Step 2: Convert to fraction form
    131,242/203,605 = 203,605/x
  3. Step 3: Cross multiply
    131,242x = 203,605 × 203,605
  4. Step 4: Simplify right side
    131,242x = 41,454,996,025
  5. Step 5: Solve for x
    x = 41,454,996,025/131,242
  6. Step 6: Final answer
    x = 315,866.84

Related Problems

Find third proportional to 65,621 and 101,802.50
Half scale
Find third proportional to 262,484 and 407,210
Double scale
Find third proportional to 131,244 and 203,608
Similar ratio
Find third proportional to 196,863 and 305,407.50
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.