Home / 131,510-203,403

Finding the Third Proportional to 131,510 and 203,403

Calculator

Solution

The third proportional to 131,510 and 203,403 is: 314,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,510 : 203,403 = 203,403 : x
  2. Step 2: Convert to fraction form
    131,510/203,403 = 203,403/x
  3. Step 3: Cross multiply
    131,510x = 203,403 × 203,403
  4. Step 4: Simplify right side
    131,510x = 41,372,780,409
  5. Step 5: Solve for x
    x = 41,372,780,409/131,510
  6. Step 6: Final answer
    x = 314,597.98

Related Problems

Find third proportional to 65,755 and 101,701.50
Half scale
Find third proportional to 263,020 and 406,806
Double scale
Find third proportional to 131,512 and 203,406
Similar ratio
Find third proportional to 197,265 and 305,104.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.