Home / 100,416-217,536

Finding the Third Proportional to 100,416 and 217,536

Calculator

Solution

The third proportional to 100,416 and 217,536 is: 471,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,416 : 217,536 = 217,536 : x
  2. Step 2: Convert to fraction form
    100,416/217,536 = 217,536/x
  3. Step 3: Cross multiply
    100,416x = 217,536 × 217,536
  4. Step 4: Simplify right side
    100,416x = 47,321,911,296
  5. Step 5: Solve for x
    x = 47,321,911,296/100,416
  6. Step 6: Final answer
    x = 471,258.68

Related Problems

Find third proportional to 50,208 and 108,768
Half scale
Find third proportional to 200,832 and 435,072
Double scale
Find third proportional to 100,418 and 217,540
Similar ratio
Find third proportional to 150,624 and 326,304
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.