Home / 135,687-207,054

Finding the Third Proportional to 135,687 and 207,054

Calculator

Solution

The third proportional to 135,687 and 207,054 is: 315,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,687 : 207,054 = 207,054 : x
  2. Step 2: Convert to fraction form
    135,687/207,054 = 207,054/x
  3. Step 3: Cross multiply
    135,687x = 207,054 × 207,054
  4. Step 4: Simplify right side
    135,687x = 42,871,358,916
  5. Step 5: Solve for x
    x = 42,871,358,916/135,687
  6. Step 6: Final answer
    x = 315,957.75

Related Problems

Find third proportional to 67,843.50 and 103,527
Half scale
Find third proportional to 271,374 and 414,108
Double scale
Find third proportional to 135,689 and 207,057
Similar ratio
Find third proportional to 203,530.50 and 310,581
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.