Home / 100,435-137,718

Finding the Third Proportional to 100,435 and 137,718

Calculator

Solution

The third proportional to 100,435 and 137,718 is: 188,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,435 : 137,718 = 137,718 : x
  2. Step 2: Convert to fraction form
    100,435/137,718 = 137,718/x
  3. Step 3: Cross multiply
    100,435x = 137,718 × 137,718
  4. Step 4: Simplify right side
    100,435x = 18,966,247,524
  5. Step 5: Solve for x
    x = 18,966,247,524/100,435
  6. Step 6: Final answer
    x = 188,841.02

Related Problems

Find third proportional to 50,217.50 and 68,859
Half scale
Find third proportional to 200,870 and 275,436
Double scale
Find third proportional to 100,437 and 137,721
Similar ratio
Find third proportional to 150,652.50 and 206,577
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.