Home / 335.25-387

Finding the Third Proportional to 335.25 and 387

Calculator

Solution

The third proportional to 335.25 and 387 is: 446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.25 : 387 = 387 : x
  2. Step 2: Convert to fraction form
    335.25/387 = 387/x
  3. Step 3: Cross multiply
    335.25x = 387 × 387
  4. Step 4: Simplify right side
    335.25x = 149,769
  5. Step 5: Solve for x
    x = 149,769/335.25
  6. Step 6: Final answer
    x = 446.74

Related Problems

Find third proportional to 167.63 and 193.50
Half scale
Find third proportional to 670.50 and 774
Double scale
Find third proportional to 337 and 389
Similar ratio
Find third proportional to 502.88 and 580.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.