Home / 67,370-138,626

Finding the Third Proportional to 67,370 and 138,626

Calculator

Solution

The third proportional to 67,370 and 138,626 is: 285,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,370 : 138,626 = 138,626 : x
  2. Step 2: Convert to fraction form
    67,370/138,626 = 138,626/x
  3. Step 3: Cross multiply
    67,370x = 138,626 × 138,626
  4. Step 4: Simplify right side
    67,370x = 19,217,167,876
  5. Step 5: Solve for x
    x = 19,217,167,876/67,370
  6. Step 6: Final answer
    x = 285,248.15

Related Problems

Find third proportional to 33,685 and 69,313
Half scale
Find third proportional to 134,740 and 277,252
Double scale
Find third proportional to 67,372 and 138,630
Similar ratio
Find third proportional to 101,055 and 207,939
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.