Home / 178,471.50-257,859.75

Finding the Third Proportional to 178,471.50 and 257,859.75

Calculator

Solution

The third proportional to 178,471.50 and 257,859.75 is: 372,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,471.50 : 257,859.75 = 257,859.75 : x
  2. Step 2: Convert to fraction form
    178,471.50/257,859.75 = 257,859.75/x
  3. Step 3: Cross multiply
    178,471.50x = 257,859.75 × 257,859.75
  4. Step 4: Simplify right side
    178,471.50x = 66,491,650,670.06
  5. Step 5: Solve for x
    x = 66,491,650,670.06/178,471.50
  6. Step 6: Final answer
    x = 372,561.73

Related Problems

Find third proportional to 89,235.75 and 128,929.88
Half scale
Find third proportional to 356,943 and 515,719.50
Double scale
Find third proportional to 178,474 and 257,863
Similar ratio
Find third proportional to 267,707.25 and 386,789.63
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.