Home / 349,674-728,868

Finding the Third Proportional to 349,674 and 728,868

Calculator

Solution

The third proportional to 349,674 and 728,868 is: 1,519,268.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,674 : 728,868 = 728,868 : x
  2. Step 2: Convert to fraction form
    349,674/728,868 = 728,868/x
  3. Step 3: Cross multiply
    349,674x = 728,868 × 728,868
  4. Step 4: Simplify right side
    349,674x = 531,248,561,424
  5. Step 5: Solve for x
    x = 531,248,561,424/349,674
  6. Step 6: Final answer
    x = 1,519,268.12

Related Problems

Find third proportional to 174,837 and 364,434
Half scale
Find third proportional to 699,348 and 1,457,736
Double scale
Find third proportional to 349,676 and 728,872
Similar ratio
Find third proportional to 524,511 and 1,093,302
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.