Home / 103,612-131,430

Finding the Third Proportional to 103,612 and 131,430

Calculator

Solution

The third proportional to 103,612 and 131,430 is: 166,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612 : 131,430 = 131,430 : x
  2. Step 2: Convert to fraction form
    103,612/131,430 = 131,430/x
  3. Step 3: Cross multiply
    103,612x = 131,430 × 131,430
  4. Step 4: Simplify right side
    103,612x = 17,273,844,900
  5. Step 5: Solve for x
    x = 17,273,844,900/103,612
  6. Step 6: Final answer
    x = 166,716.64

Related Problems

Find third proportional to 51,806 and 65,715
Half scale
Find third proportional to 207,224 and 262,860
Double scale
Find third proportional to 103,614 and 131,433
Similar ratio
Find third proportional to 155,418 and 197,145
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.