Home / 357.50-550

Finding the Third Proportional to 357.50 and 550

Calculator

Solution

The third proportional to 357.50 and 550 is: 846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.50 : 550 = 550 : x
  2. Step 2: Convert to fraction form
    357.50/550 = 550/x
  3. Step 3: Cross multiply
    357.50x = 550 × 550
  4. Step 4: Simplify right side
    357.50x = 302,500
  5. Step 5: Solve for x
    x = 302,500/357.50
  6. Step 6: Final answer
    x = 846.15

Related Problems

Find third proportional to 178.75 and 275
Half scale
Find third proportional to 715 and 1,100
Double scale
Find third proportional to 360 and 553
Similar ratio
Find third proportional to 536.25 and 825
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.