Home / 131,530-213,693

Finding the Third Proportional to 131,530 and 213,693

Calculator

Solution

The third proportional to 131,530 and 213,693 is: 347,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,530 : 213,693 = 213,693 : x
  2. Step 2: Convert to fraction form
    131,530/213,693 = 213,693/x
  3. Step 3: Cross multiply
    131,530x = 213,693 × 213,693
  4. Step 4: Simplify right side
    131,530x = 45,664,698,249
  5. Step 5: Solve for x
    x = 45,664,698,249/131,530
  6. Step 6: Final answer
    x = 347,180.86

Related Problems

Find third proportional to 65,765 and 106,846.50
Half scale
Find third proportional to 263,060 and 427,386
Double scale
Find third proportional to 131,532 and 213,696
Similar ratio
Find third proportional to 197,295 and 320,539.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.