Home / 317,424-491,904

Finding the Third Proportional to 317,424 and 491,904

Calculator

Solution

The third proportional to 317,424 and 491,904 is: 762,291.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,424 : 491,904 = 491,904 : x
  2. Step 2: Convert to fraction form
    317,424/491,904 = 491,904/x
  3. Step 3: Cross multiply
    317,424x = 491,904 × 491,904
  4. Step 4: Simplify right side
    317,424x = 241,969,545,216
  5. Step 5: Solve for x
    x = 241,969,545,216/317,424
  6. Step 6: Final answer
    x = 762,291.27

Related Problems

Find third proportional to 158,712 and 245,952
Half scale
Find third proportional to 634,848 and 983,808
Double scale
Find third proportional to 317,426 and 491,907
Similar ratio
Find third proportional to 476,136 and 737,856
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.