Home / 151,805-221,875

Finding the Third Proportional to 151,805 and 221,875

Calculator

Solution

The third proportional to 151,805 and 221,875 is: 324,287.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,805 : 221,875 = 221,875 : x
  2. Step 2: Convert to fraction form
    151,805/221,875 = 221,875/x
  3. Step 3: Cross multiply
    151,805x = 221,875 × 221,875
  4. Step 4: Simplify right side
    151,805x = 49,228,515,625
  5. Step 5: Solve for x
    x = 49,228,515,625/151,805
  6. Step 6: Final answer
    x = 324,287.84

Related Problems

Find third proportional to 75,902.50 and 110,937.50
Half scale
Find third proportional to 303,610 and 443,750
Double scale
Find third proportional to 151,807 and 221,878
Similar ratio
Find third proportional to 227,707.50 and 332,812.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.