Home / 100,602-219,636

Finding the Third Proportional to 100,602 and 219,636

Calculator

Solution

The third proportional to 100,602 and 219,636 is: 479,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602 : 219,636 = 219,636 : x
  2. Step 2: Convert to fraction form
    100,602/219,636 = 219,636/x
  3. Step 3: Cross multiply
    100,602x = 219,636 × 219,636
  4. Step 4: Simplify right side
    100,602x = 48,239,972,496
  5. Step 5: Solve for x
    x = 48,239,972,496/100,602
  6. Step 6: Final answer
    x = 479,513.06

Related Problems

Find third proportional to 50,301 and 109,818
Half scale
Find third proportional to 201,204 and 439,272
Double scale
Find third proportional to 100,604 and 219,640
Similar ratio
Find third proportional to 150,903 and 329,454
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.