Home / 208,606-313,908

Finding the Third Proportional to 208,606 and 313,908

Calculator

Solution

The third proportional to 208,606 and 313,908 is: 472,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,606 : 313,908 = 313,908 : x
  2. Step 2: Convert to fraction form
    208,606/313,908 = 313,908/x
  3. Step 3: Cross multiply
    208,606x = 313,908 × 313,908
  4. Step 4: Simplify right side
    208,606x = 98,538,232,464
  5. Step 5: Solve for x
    x = 98,538,232,464/208,606
  6. Step 6: Final answer
    x = 472,365.28

Related Problems

Find third proportional to 104,303 and 156,954
Half scale
Find third proportional to 417,212 and 627,816
Double scale
Find third proportional to 208,608 and 313,911
Similar ratio
Find third proportional to 312,909 and 470,862
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.