Home / 137,236-155,689

Finding the Third Proportional to 137,236 and 155,689

Calculator

Solution

The third proportional to 137,236 and 155,689 is: 176,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,236 : 155,689 = 155,689 : x
  2. Step 2: Convert to fraction form
    137,236/155,689 = 155,689/x
  3. Step 3: Cross multiply
    137,236x = 155,689 × 155,689
  4. Step 4: Simplify right side
    137,236x = 24,239,064,721
  5. Step 5: Solve for x
    x = 24,239,064,721/137,236
  6. Step 6: Final answer
    x = 176,623.22

Related Problems

Find third proportional to 68,618 and 77,844.50
Half scale
Find third proportional to 274,472 and 311,378
Double scale
Find third proportional to 137,238 and 155,691
Similar ratio
Find third proportional to 205,854 and 233,533.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.