Home / 179,964-275,400

Finding the Third Proportional to 179,964 and 275,400

Calculator

Solution

The third proportional to 179,964 and 275,400 is: 421,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,964 : 275,400 = 275,400 : x
  2. Step 2: Convert to fraction form
    179,964/275,400 = 275,400/x
  3. Step 3: Cross multiply
    179,964x = 275,400 × 275,400
  4. Step 4: Simplify right side
    179,964x = 75,845,160,000
  5. Step 5: Solve for x
    x = 75,845,160,000/179,964
  6. Step 6: Final answer
    x = 421,446.29

Related Problems

Find third proportional to 89,982 and 137,700
Half scale
Find third proportional to 359,928 and 550,800
Double scale
Find third proportional to 179,966 and 275,403
Similar ratio
Find third proportional to 269,946 and 413,100
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.