Home / 694.50-1,770

Finding the Third Proportional to 694.50 and 1,770

Calculator

Solution

The third proportional to 694.50 and 1,770 is: 4,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.50 : 1,770 = 1,770 : x
  2. Step 2: Convert to fraction form
    694.50/1,770 = 1,770/x
  3. Step 3: Cross multiply
    694.50x = 1,770 × 1,770
  4. Step 4: Simplify right side
    694.50x = 3,132,900
  5. Step 5: Solve for x
    x = 3,132,900/694.50
  6. Step 6: Final answer
    x = 4,511.02

Related Problems

Find third proportional to 347.25 and 885
Half scale
Find third proportional to 1,389 and 3,540
Double scale
Find third proportional to 697 and 1,775
Similar ratio
Find third proportional to 1,041.75 and 2,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.