Home / 349,928-839,828

Finding the Third Proportional to 349,928 and 839,828

Calculator

Solution

The third proportional to 349,928 and 839,828 is: 2,015,589.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,928 : 839,828 = 839,828 : x
  2. Step 2: Convert to fraction form
    349,928/839,828 = 839,828/x
  3. Step 3: Cross multiply
    349,928x = 839,828 × 839,828
  4. Step 4: Simplify right side
    349,928x = 705,311,069,584
  5. Step 5: Solve for x
    x = 705,311,069,584/349,928
  6. Step 6: Final answer
    x = 2,015,589.12

Related Problems

Find third proportional to 174,964 and 419,914
Half scale
Find third proportional to 699,856 and 1,679,656
Double scale
Find third proportional to 349,930 and 839,833
Similar ratio
Find third proportional to 524,892 and 1,259,742
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.