Home / 131,382-203,820

Finding the Third Proportional to 131,382 and 203,820

Calculator

Solution

The third proportional to 131,382 and 203,820 is: 316,196.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,382 : 203,820 = 203,820 : x
  2. Step 2: Convert to fraction form
    131,382/203,820 = 203,820/x
  3. Step 3: Cross multiply
    131,382x = 203,820 × 203,820
  4. Step 4: Simplify right side
    131,382x = 41,542,592,400
  5. Step 5: Solve for x
    x = 41,542,592,400/131,382
  6. Step 6: Final answer
    x = 316,196.99

Related Problems

Find third proportional to 65,691 and 101,910
Half scale
Find third proportional to 262,764 and 407,640
Double scale
Find third proportional to 131,384 and 203,823
Similar ratio
Find third proportional to 197,073 and 305,730
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.