Home / 134,400-288,723

Finding the Third Proportional to 134,400 and 288,723

Calculator

Solution

The third proportional to 134,400 and 288,723 is: 620,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,400 : 288,723 = 288,723 : x
  2. Step 2: Convert to fraction form
    134,400/288,723 = 288,723/x
  3. Step 3: Cross multiply
    134,400x = 288,723 × 288,723
  4. Step 4: Simplify right side
    134,400x = 83,360,970,729
  5. Step 5: Solve for x
    x = 83,360,970,729/134,400
  6. Step 6: Final answer
    x = 620,245.32

Related Problems

Find third proportional to 67,200 and 144,361.50
Half scale
Find third proportional to 268,800 and 577,446
Double scale
Find third proportional to 134,402 and 288,727
Similar ratio
Find third proportional to 201,600 and 433,084.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.