Home / 102,712-220,912

Finding the Third Proportional to 102,712 and 220,912

Calculator

Solution

The third proportional to 102,712 and 220,912 is: 475,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,712 : 220,912 = 220,912 : x
  2. Step 2: Convert to fraction form
    102,712/220,912 = 220,912/x
  3. Step 3: Cross multiply
    102,712x = 220,912 × 220,912
  4. Step 4: Simplify right side
    102,712x = 48,802,111,744
  5. Step 5: Solve for x
    x = 48,802,111,744/102,712
  6. Step 6: Final answer
    x = 475,135.44

Related Problems

Find third proportional to 51,356 and 110,456
Half scale
Find third proportional to 205,424 and 441,824
Double scale
Find third proportional to 102,714 and 220,916
Similar ratio
Find third proportional to 154,068 and 331,368
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.