Home / 393,979.50-576,990

Finding the Third Proportional to 393,979.50 and 576,990

Calculator

Solution

The third proportional to 393,979.50 and 576,990 is: 845,012.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,979.50 : 576,990 = 576,990 : x
  2. Step 2: Convert to fraction form
    393,979.50/576,990 = 576,990/x
  3. Step 3: Cross multiply
    393,979.50x = 576,990 × 576,990
  4. Step 4: Simplify right side
    393,979.50x = 332,917,460,100
  5. Step 5: Solve for x
    x = 332,917,460,100/393,979.50
  6. Step 6: Final answer
    x = 845,012.14

Related Problems

Find third proportional to 196,989.75 and 288,495
Half scale
Find third proportional to 787,959 and 1,153,980
Double scale
Find third proportional to 393,982 and 576,993
Similar ratio
Find third proportional to 590,969.25 and 865,485
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.