Home / 254,133-393,750

Finding the Third Proportional to 254,133 and 393,750

Calculator

Solution

The third proportional to 254,133 and 393,750 is: 610,070.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,133 : 393,750 = 393,750 : x
  2. Step 2: Convert to fraction form
    254,133/393,750 = 393,750/x
  3. Step 3: Cross multiply
    254,133x = 393,750 × 393,750
  4. Step 4: Simplify right side
    254,133x = 155,039,062,500
  5. Step 5: Solve for x
    x = 155,039,062,500/254,133
  6. Step 6: Final answer
    x = 610,070.56

Related Problems

Find third proportional to 127,066.50 and 196,875
Half scale
Find third proportional to 508,266 and 787,500
Double scale
Find third proportional to 254,135 and 393,753
Similar ratio
Find third proportional to 381,199.50 and 590,625
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.