Home / 369-475

Finding the Third Proportional to 369 and 475

Calculator

Solution

The third proportional to 369 and 475 is: 611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369 : 475 = 475 : x
  2. Step 2: Convert to fraction form
    369/475 = 475/x
  3. Step 3: Cross multiply
    369x = 475 × 475
  4. Step 4: Simplify right side
    369x = 225,625
  5. Step 5: Solve for x
    x = 225,625/369
  6. Step 6: Final answer
    x = 611.45

Related Problems

Find third proportional to 184.50 and 237.50
Half scale
Find third proportional to 738 and 950
Double scale
Find third proportional to 371 and 478
Similar ratio
Find third proportional to 553.50 and 712.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.