Home / 211,078-455,834

Finding the Third Proportional to 211,078 and 455,834

Calculator

Solution

The third proportional to 211,078 and 455,834 is: 984,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,078 : 455,834 = 455,834 : x
  2. Step 2: Convert to fraction form
    211,078/455,834 = 455,834/x
  3. Step 3: Cross multiply
    211,078x = 455,834 × 455,834
  4. Step 4: Simplify right side
    211,078x = 207,784,635,556
  5. Step 5: Solve for x
    x = 207,784,635,556/211,078
  6. Step 6: Final answer
    x = 984,397.41

Related Problems

Find third proportional to 105,539 and 227,917
Half scale
Find third proportional to 422,156 and 911,668
Double scale
Find third proportional to 211,080 and 455,838
Similar ratio
Find third proportional to 316,617 and 683,751
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.