Home / 84,805-131,876

Finding the Third Proportional to 84,805 and 131,876

Calculator

Solution

The third proportional to 84,805 and 131,876 is: 205,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,805 : 131,876 = 131,876 : x
  2. Step 2: Convert to fraction form
    84,805/131,876 = 131,876/x
  3. Step 3: Cross multiply
    84,805x = 131,876 × 131,876
  4. Step 4: Simplify right side
    84,805x = 17,391,279,376
  5. Step 5: Solve for x
    x = 17,391,279,376/84,805
  6. Step 6: Final answer
    x = 205,073.75

Related Problems

Find third proportional to 42,402.50 and 65,938
Half scale
Find third proportional to 169,610 and 263,752
Double scale
Find third proportional to 84,807 and 131,879
Similar ratio
Find third proportional to 127,207.50 and 197,814
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.