Home / 343,407-745,908

Finding the Third Proportional to 343,407 and 745,908

Calculator

Solution

The third proportional to 343,407 and 745,908 is: 1,620,172.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,407 : 745,908 = 745,908 : x
  2. Step 2: Convert to fraction form
    343,407/745,908 = 745,908/x
  3. Step 3: Cross multiply
    343,407x = 745,908 × 745,908
  4. Step 4: Simplify right side
    343,407x = 556,378,744,464
  5. Step 5: Solve for x
    x = 556,378,744,464/343,407
  6. Step 6: Final answer
    x = 1,620,172.99

Related Problems

Find third proportional to 171,703.50 and 372,954
Half scale
Find third proportional to 686,814 and 1,491,816
Double scale
Find third proportional to 343,409 and 745,912
Similar ratio
Find third proportional to 515,110.50 and 1,118,862
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.