Home / 354,613-531,920

Finding the Third Proportional to 354,613 and 531,920

Calculator

Solution

The third proportional to 354,613 and 531,920 is: 797,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,613 : 531,920 = 531,920 : x
  2. Step 2: Convert to fraction form
    354,613/531,920 = 531,920/x
  3. Step 3: Cross multiply
    354,613x = 531,920 × 531,920
  4. Step 4: Simplify right side
    354,613x = 282,938,886,400
  5. Step 5: Solve for x
    x = 282,938,886,400/354,613
  6. Step 6: Final answer
    x = 797,880.75

Related Problems

Find third proportional to 177,306.50 and 265,960
Half scale
Find third proportional to 709,226 and 1,063,840
Double scale
Find third proportional to 354,615 and 531,923
Similar ratio
Find third proportional to 531,919.50 and 797,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.