Home / 104,658-218,172

Finding the Third Proportional to 104,658 and 218,172

Calculator

Solution

The third proportional to 104,658 and 218,172 is: 454,805.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,658 : 218,172 = 218,172 : x
  2. Step 2: Convert to fraction form
    104,658/218,172 = 218,172/x
  3. Step 3: Cross multiply
    104,658x = 218,172 × 218,172
  4. Step 4: Simplify right side
    104,658x = 47,599,021,584
  5. Step 5: Solve for x
    x = 47,599,021,584/104,658
  6. Step 6: Final answer
    x = 454,805.38

Related Problems

Find third proportional to 52,329 and 109,086
Half scale
Find third proportional to 209,316 and 436,344
Double scale
Find third proportional to 104,660 and 218,176
Similar ratio
Find third proportional to 156,987 and 327,258
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.