Home / 63,371-137,689

Finding the Third Proportional to 63,371 and 137,689

Calculator

Solution

The third proportional to 63,371 and 137,689 is: 299,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,371 : 137,689 = 137,689 : x
  2. Step 2: Convert to fraction form
    63,371/137,689 = 137,689/x
  3. Step 3: Cross multiply
    63,371x = 137,689 × 137,689
  4. Step 4: Simplify right side
    63,371x = 18,958,260,721
  5. Step 5: Solve for x
    x = 18,958,260,721/63,371
  6. Step 6: Final answer
    x = 299,163.04

Related Problems

Find third proportional to 31,685.50 and 68,844.50
Half scale
Find third proportional to 126,742 and 275,378
Double scale
Find third proportional to 63,373 and 137,693
Similar ratio
Find third proportional to 95,056.50 and 206,533.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.