Home / 360.50-434

Finding the Third Proportional to 360.50 and 434

Calculator

Solution

The third proportional to 360.50 and 434 is: 522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.50 : 434 = 434 : x
  2. Step 2: Convert to fraction form
    360.50/434 = 434/x
  3. Step 3: Cross multiply
    360.50x = 434 × 434
  4. Step 4: Simplify right side
    360.50x = 188,356
  5. Step 5: Solve for x
    x = 188,356/360.50
  6. Step 6: Final answer
    x = 522.49

Related Problems

Find third proportional to 180.25 and 217
Half scale
Find third proportional to 721 and 868
Double scale
Find third proportional to 363 and 436
Similar ratio
Find third proportional to 540.75 and 651
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.