Home / 53,352-79,920

Finding the Third Proportional to 53,352 and 79,920

Calculator

Solution

The third proportional to 53,352 and 79,920 is: 119,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,352 : 79,920 = 79,920 : x
  2. Step 2: Convert to fraction form
    53,352/79,920 = 79,920/x
  3. Step 3: Cross multiply
    53,352x = 79,920 × 79,920
  4. Step 4: Simplify right side
    53,352x = 6,387,206,400
  5. Step 5: Solve for x
    x = 6,387,206,400/53,352
  6. Step 6: Final answer
    x = 119,718.22

Related Problems

Find third proportional to 26,676 and 39,960
Half scale
Find third proportional to 106,704 and 159,840
Double scale
Find third proportional to 53,354 and 79,923
Similar ratio
Find third proportional to 80,028 and 119,880
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.