Home / 171,478-254,731

Finding the Third Proportional to 171,478 and 254,731

Calculator

Solution

The third proportional to 171,478 and 254,731 is: 378,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,478 : 254,731 = 254,731 : x
  2. Step 2: Convert to fraction form
    171,478/254,731 = 254,731/x
  3. Step 3: Cross multiply
    171,478x = 254,731 × 254,731
  4. Step 4: Simplify right side
    171,478x = 64,887,882,361
  5. Step 5: Solve for x
    x = 64,887,882,361/171,478
  6. Step 6: Final answer
    x = 378,403.54

Related Problems

Find third proportional to 85,739 and 127,365.50
Half scale
Find third proportional to 342,956 and 509,462
Double scale
Find third proportional to 171,480 and 254,734
Similar ratio
Find third proportional to 257,217 and 382,096.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.