Home / 320,886-499,077

Finding the Third Proportional to 320,886 and 499,077

Calculator

Solution

The third proportional to 320,886 and 499,077 is: 776,219.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,886 : 499,077 = 499,077 : x
  2. Step 2: Convert to fraction form
    320,886/499,077 = 499,077/x
  3. Step 3: Cross multiply
    320,886x = 499,077 × 499,077
  4. Step 4: Simplify right side
    320,886x = 249,077,851,929
  5. Step 5: Solve for x
    x = 249,077,851,929/320,886
  6. Step 6: Final answer
    x = 776,219.13

Related Problems

Find third proportional to 160,443 and 249,538.50
Half scale
Find third proportional to 641,772 and 998,154
Double scale
Find third proportional to 320,888 and 499,080
Similar ratio
Find third proportional to 481,329 and 748,615.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.