Home / 239,344-363,990

Finding the Third Proportional to 239,344 and 363,990

Calculator

Solution

The third proportional to 239,344 and 363,990 is: 553,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,344 : 363,990 = 363,990 : x
  2. Step 2: Convert to fraction form
    239,344/363,990 = 363,990/x
  3. Step 3: Cross multiply
    239,344x = 363,990 × 363,990
  4. Step 4: Simplify right side
    239,344x = 132,488,720,100
  5. Step 5: Solve for x
    x = 132,488,720,100/239,344
  6. Step 6: Final answer
    x = 553,549.37

Related Problems

Find third proportional to 119,672 and 181,995
Half scale
Find third proportional to 478,688 and 727,980
Double scale
Find third proportional to 239,346 and 363,993
Similar ratio
Find third proportional to 359,016 and 545,985
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.