Home / 302-382.50

Finding the Third Proportional to 302 and 382.50

Calculator

Solution

The third proportional to 302 and 382.50 is: 484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302 : 382.50 = 382.50 : x
  2. Step 2: Convert to fraction form
    302/382.50 = 382.50/x
  3. Step 3: Cross multiply
    302x = 382.50 × 382.50
  4. Step 4: Simplify right side
    302x = 146,306.25
  5. Step 5: Solve for x
    x = 146,306.25/302
  6. Step 6: Final answer
    x = 484.46

Related Problems

Find third proportional to 151 and 191.25
Half scale
Find third proportional to 604 and 765
Double scale
Find third proportional to 304 and 385
Similar ratio
Find third proportional to 453 and 573.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.