Home / 196,210-310,899

Finding the Third Proportional to 196,210 and 310,899

Calculator

Solution

The third proportional to 196,210 and 310,899 is: 492,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,210 : 310,899 = 310,899 : x
  2. Step 2: Convert to fraction form
    196,210/310,899 = 310,899/x
  3. Step 3: Cross multiply
    196,210x = 310,899 × 310,899
  4. Step 4: Simplify right side
    196,210x = 96,658,188,201
  5. Step 5: Solve for x
    x = 96,658,188,201/196,210
  6. Step 6: Final answer
    x = 492,626.21

Related Problems

Find third proportional to 98,105 and 155,449.50
Half scale
Find third proportional to 392,420 and 621,798
Double scale
Find third proportional to 196,212 and 310,902
Similar ratio
Find third proportional to 294,315 and 466,348.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.