Home / 335-380.50

Finding the Third Proportional to 335 and 380.50

Calculator

Solution

The third proportional to 335 and 380.50 is: 432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    335 : 380.50 = 380.50 : x
  2. Step 2: Convert to fraction form
    335/380.50 = 380.50/x
  3. Step 3: Cross multiply
    335x = 380.50 × 380.50
  4. Step 4: Simplify right side
    335x = 144,780.25
  5. Step 5: Solve for x
    x = 144,780.25/335
  6. Step 6: Final answer
    x = 432.18

Related Problems

Find third proportional to 167.50 and 190.25
Half scale
Find third proportional to 670 and 761
Double scale
Find third proportional to 337 and 383
Similar ratio
Find third proportional to 502.50 and 570.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.