Home / 99,636-211,422

Finding the Third Proportional to 99,636 and 211,422

Calculator

Solution

The third proportional to 99,636 and 211,422 is: 448,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,636 : 211,422 = 211,422 : x
  2. Step 2: Convert to fraction form
    99,636/211,422 = 211,422/x
  3. Step 3: Cross multiply
    99,636x = 211,422 × 211,422
  4. Step 4: Simplify right side
    99,636x = 44,699,262,084
  5. Step 5: Solve for x
    x = 44,699,262,084/99,636
  6. Step 6: Final answer
    x = 448,625.62

Related Problems

Find third proportional to 49,818 and 105,711
Half scale
Find third proportional to 199,272 and 422,844
Double scale
Find third proportional to 99,638 and 211,426
Similar ratio
Find third proportional to 149,454 and 317,133
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.