Home / 197,247-320,458.50

Finding the Third Proportional to 197,247 and 320,458.50

Calculator

Solution

The third proportional to 197,247 and 320,458.50 is: 520,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,247 : 320,458.50 = 320,458.50 : x
  2. Step 2: Convert to fraction form
    197,247/320,458.50 = 320,458.50/x
  3. Step 3: Cross multiply
    197,247x = 320,458.50 × 320,458.50
  4. Step 4: Simplify right side
    197,247x = 102,693,650,222.25
  5. Step 5: Solve for x
    x = 102,693,650,222.25/197,247
  6. Step 6: Final answer
    x = 520,634.79

Related Problems

Find third proportional to 98,623.50 and 160,229.25
Half scale
Find third proportional to 394,494 and 640,917
Double scale
Find third proportional to 197,249 and 320,462
Similar ratio
Find third proportional to 295,870.50 and 480,687.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.