Home / 129,896-200,316

Finding the Third Proportional to 129,896 and 200,316

Calculator

Solution

The third proportional to 129,896 and 200,316 is: 308,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,896 : 200,316 = 200,316 : x
  2. Step 2: Convert to fraction form
    129,896/200,316 = 200,316/x
  3. Step 3: Cross multiply
    129,896x = 200,316 × 200,316
  4. Step 4: Simplify right side
    129,896x = 40,126,499,856
  5. Step 5: Solve for x
    x = 40,126,499,856/129,896
  6. Step 6: Final answer
    x = 308,912.51

Related Problems

Find third proportional to 64,948 and 100,158
Half scale
Find third proportional to 259,792 and 400,632
Double scale
Find third proportional to 129,898 and 200,319
Similar ratio
Find third proportional to 194,844 and 300,474
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.