Home / 200,668-310,884

Finding the Third Proportional to 200,668 and 310,884

Calculator

Solution

The third proportional to 200,668 and 310,884 is: 481,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,668 : 310,884 = 310,884 : x
  2. Step 2: Convert to fraction form
    200,668/310,884 = 310,884/x
  3. Step 3: Cross multiply
    200,668x = 310,884 × 310,884
  4. Step 4: Simplify right side
    200,668x = 96,648,861,456
  5. Step 5: Solve for x
    x = 96,648,861,456/200,668
  6. Step 6: Final answer
    x = 481,635.64

Related Problems

Find third proportional to 100,334 and 155,442
Half scale
Find third proportional to 401,336 and 621,768
Double scale
Find third proportional to 200,670 and 310,887
Similar ratio
Find third proportional to 301,002 and 466,326
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.