Home / 135,717-199,521

Finding the Third Proportional to 135,717 and 199,521

Calculator

Solution

The third proportional to 135,717 and 199,521 is: 293,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,717 : 199,521 = 199,521 : x
  2. Step 2: Convert to fraction form
    135,717/199,521 = 199,521/x
  3. Step 3: Cross multiply
    135,717x = 199,521 × 199,521
  4. Step 4: Simplify right side
    135,717x = 39,808,629,441
  5. Step 5: Solve for x
    x = 39,808,629,441/135,717
  6. Step 6: Final answer
    x = 293,320.88

Related Problems

Find third proportional to 67,858.50 and 99,760.50
Half scale
Find third proportional to 271,434 and 399,042
Double scale
Find third proportional to 135,719 and 199,524
Similar ratio
Find third proportional to 203,575.50 and 299,281.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.