Home / 15,900-34,236

Finding the Third Proportional to 15,900 and 34,236

Calculator

Solution

The third proportional to 15,900 and 34,236 is: 73,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900 : 34,236 = 34,236 : x
  2. Step 2: Convert to fraction form
    15,900/34,236 = 34,236/x
  3. Step 3: Cross multiply
    15,900x = 34,236 × 34,236
  4. Step 4: Simplify right side
    15,900x = 1,172,103,696
  5. Step 5: Solve for x
    x = 1,172,103,696/15,900
  6. Step 6: Final answer
    x = 73,717.21

Related Problems

Find third proportional to 7,950 and 17,118
Half scale
Find third proportional to 31,800 and 68,472
Double scale
Find third proportional to 15,902 and 34,240
Similar ratio
Find third proportional to 23,850 and 51,354
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.