Home / 317,970-445,662

Finding the Third Proportional to 317,970 and 445,662

Calculator

Solution

The third proportional to 317,970 and 445,662 is: 624,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,970 : 445,662 = 445,662 : x
  2. Step 2: Convert to fraction form
    317,970/445,662 = 445,662/x
  3. Step 3: Cross multiply
    317,970x = 445,662 × 445,662
  4. Step 4: Simplify right side
    317,970x = 198,614,618,244
  5. Step 5: Solve for x
    x = 198,614,618,244/317,970
  6. Step 6: Final answer
    x = 624,633.20

Related Problems

Find third proportional to 158,985 and 222,831
Half scale
Find third proportional to 635,940 and 891,324
Double scale
Find third proportional to 317,972 and 445,665
Similar ratio
Find third proportional to 476,955 and 668,493
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.