Home / 131,662-212,039

Finding the Third Proportional to 131,662 and 212,039

Calculator

Solution

The third proportional to 131,662 and 212,039 is: 341,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,662 : 212,039 = 212,039 : x
  2. Step 2: Convert to fraction form
    131,662/212,039 = 212,039/x
  3. Step 3: Cross multiply
    131,662x = 212,039 × 212,039
  4. Step 4: Simplify right side
    131,662x = 44,960,537,521
  5. Step 5: Solve for x
    x = 44,960,537,521/131,662
  6. Step 6: Final answer
    x = 341,484.54

Related Problems

Find third proportional to 65,831 and 106,019.50
Half scale
Find third proportional to 263,324 and 424,078
Double scale
Find third proportional to 131,664 and 212,042
Similar ratio
Find third proportional to 197,493 and 318,058.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.