Home / 131,238-203,599.50

Finding the Third Proportional to 131,238 and 203,599.50

Calculator

Solution

The third proportional to 131,238 and 203,599.50 is: 315,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,238 : 203,599.50 = 203,599.50 : x
  2. Step 2: Convert to fraction form
    131,238/203,599.50 = 203,599.50/x
  3. Step 3: Cross multiply
    131,238x = 203,599.50 × 203,599.50
  4. Step 4: Simplify right side
    131,238x = 41,452,756,400.25
  5. Step 5: Solve for x
    x = 41,452,756,400.25/131,238
  6. Step 6: Final answer
    x = 315,859.40

Related Problems

Find third proportional to 65,619 and 101,799.75
Half scale
Find third proportional to 262,476 and 407,199
Double scale
Find third proportional to 131,240 and 203,603
Similar ratio
Find third proportional to 196,857 and 305,399.25
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.