Home / 138,132-207,198

Finding the Third Proportional to 138,132 and 207,198

Calculator

Solution

The third proportional to 138,132 and 207,198 is: 310,797

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,132 : 207,198 = 207,198 : x
  2. Step 2: Convert to fraction form
    138,132/207,198 = 207,198/x
  3. Step 3: Cross multiply
    138,132x = 207,198 × 207,198
  4. Step 4: Simplify right side
    138,132x = 42,931,011,204
  5. Step 5: Solve for x
    x = 42,931,011,204/138,132
  6. Step 6: Final answer
    x = 310,797

Related Problems

Find third proportional to 69,066 and 103,599
Half scale
Find third proportional to 276,264 and 414,396
Double scale
Find third proportional to 138,134 and 207,201
Similar ratio
Find third proportional to 207,198 and 310,797
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.