Home / 151,902-221,967

Finding the Third Proportional to 151,902 and 221,967

Calculator

Solution

The third proportional to 151,902 and 221,967 is: 324,349.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,902 : 221,967 = 221,967 : x
  2. Step 2: Convert to fraction form
    151,902/221,967 = 221,967/x
  3. Step 3: Cross multiply
    151,902x = 221,967 × 221,967
  4. Step 4: Simplify right side
    151,902x = 49,269,349,089
  5. Step 5: Solve for x
    x = 49,269,349,089/151,902
  6. Step 6: Final answer
    x = 324,349.57

Related Problems

Find third proportional to 75,951 and 110,983.50
Half scale
Find third proportional to 303,804 and 443,934
Double scale
Find third proportional to 151,904 and 221,970
Similar ratio
Find third proportional to 227,853 and 332,950.50
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.