Home / 51,630-79,401

Finding the Third Proportional to 51,630 and 79,401

Calculator

Solution

The third proportional to 51,630 and 79,401 is: 122,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,630 : 79,401 = 79,401 : x
  2. Step 2: Convert to fraction form
    51,630/79,401 = 79,401/x
  3. Step 3: Cross multiply
    51,630x = 79,401 × 79,401
  4. Step 4: Simplify right side
    51,630x = 6,304,518,801
  5. Step 5: Solve for x
    x = 6,304,518,801/51,630
  6. Step 6: Final answer
    x = 122,109.60

Related Problems

Find third proportional to 25,815 and 39,700.50
Half scale
Find third proportional to 103,260 and 158,802
Double scale
Find third proportional to 51,632 and 79,404
Similar ratio
Find third proportional to 77,445 and 119,101.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.