Home / 196,285.50-311,323.50

Finding the Third Proportional to 196,285.50 and 311,323.50

Calculator

Solution

The third proportional to 196,285.50 and 311,323.50 is: 493,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,285.50 : 311,323.50 = 311,323.50 : x
  2. Step 2: Convert to fraction form
    196,285.50/311,323.50 = 311,323.50/x
  3. Step 3: Cross multiply
    196,285.50x = 311,323.50 × 311,323.50
  4. Step 4: Simplify right side
    196,285.50x = 96,922,321,652.25
  5. Step 5: Solve for x
    x = 96,922,321,652.25/196,285.50
  6. Step 6: Final answer
    x = 493,782.38

Related Problems

Find third proportional to 98,142.75 and 155,661.75
Half scale
Find third proportional to 392,571 and 622,647
Double scale
Find third proportional to 196,288 and 311,327
Similar ratio
Find third proportional to 294,428.25 and 466,985.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.