Home / 20,460-43,107

Finding the Third Proportional to 20,460 and 43,107

Calculator

Solution

The third proportional to 20,460 and 43,107 is: 90,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460 : 43,107 = 43,107 : x
  2. Step 2: Convert to fraction form
    20,460/43,107 = 43,107/x
  3. Step 3: Cross multiply
    20,460x = 43,107 × 43,107
  4. Step 4: Simplify right side
    20,460x = 1,858,213,449
  5. Step 5: Solve for x
    x = 1,858,213,449/20,460
  6. Step 6: Final answer
    x = 90,821.77

Related Problems

Find third proportional to 10,230 and 21,553.50
Half scale
Find third proportional to 40,920 and 86,214
Double scale
Find third proportional to 20,462 and 43,111
Similar ratio
Find third proportional to 30,690 and 64,660.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.