Home / 335,856-691,416

Finding the Third Proportional to 335,856 and 691,416

Calculator

Solution

The third proportional to 335,856 and 691,416 is: 1,423,395.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,856 : 691,416 = 691,416 : x
  2. Step 2: Convert to fraction form
    335,856/691,416 = 691,416/x
  3. Step 3: Cross multiply
    335,856x = 691,416 × 691,416
  4. Step 4: Simplify right side
    335,856x = 478,056,085,056
  5. Step 5: Solve for x
    x = 478,056,085,056/335,856
  6. Step 6: Final answer
    x = 1,423,395.99

Related Problems

Find third proportional to 167,928 and 345,708
Half scale
Find third proportional to 671,712 and 1,382,832
Double scale
Find third proportional to 335,858 and 691,420
Similar ratio
Find third proportional to 503,784 and 1,037,124
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.