Home / 253,576-394,904

Finding the Third Proportional to 253,576 and 394,904

Calculator

Solution

The third proportional to 253,576 and 394,904 is: 614,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,576 : 394,904 = 394,904 : x
  2. Step 2: Convert to fraction form
    253,576/394,904 = 394,904/x
  3. Step 3: Cross multiply
    253,576x = 394,904 × 394,904
  4. Step 4: Simplify right side
    253,576x = 155,949,169,216
  5. Step 5: Solve for x
    x = 155,949,169,216/253,576
  6. Step 6: Final answer
    x = 614,999.72

Related Problems

Find third proportional to 126,788 and 197,452
Half scale
Find third proportional to 507,152 and 789,808
Double scale
Find third proportional to 253,578 and 394,907
Similar ratio
Find third proportional to 380,364 and 592,356
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.