Home / 797-1,643

Finding the Third Proportional to 797 and 1,643

Calculator

Solution

The third proportional to 797 and 1,643 is: 3,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    797 : 1,643 = 1,643 : x
  2. Step 2: Convert to fraction form
    797/1,643 = 1,643/x
  3. Step 3: Cross multiply
    797x = 1,643 × 1,643
  4. Step 4: Simplify right side
    797x = 2,699,449
  5. Step 5: Solve for x
    x = 2,699,449/797
  6. Step 6: Final answer
    x = 3,387.01

Related Problems

Find third proportional to 398.50 and 821.50
Half scale
Find third proportional to 1,594 and 3,286
Double scale
Find third proportional to 799 and 1,647
Similar ratio
Find third proportional to 1,195.50 and 2,464.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.