Home / 85,910-131,417

Finding the Third Proportional to 85,910 and 131,417

Calculator

Solution

The third proportional to 85,910 and 131,417 is: 201,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,910 : 131,417 = 131,417 : x
  2. Step 2: Convert to fraction form
    85,910/131,417 = 131,417/x
  3. Step 3: Cross multiply
    85,910x = 131,417 × 131,417
  4. Step 4: Simplify right side
    85,910x = 17,270,427,889
  5. Step 5: Solve for x
    x = 17,270,427,889/85,910
  6. Step 6: Final answer
    x = 201,029.31

Related Problems

Find third proportional to 42,955 and 65,708.50
Half scale
Find third proportional to 171,820 and 262,834
Double scale
Find third proportional to 85,912 and 131,420
Similar ratio
Find third proportional to 128,865 and 197,125.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.