Home / 301,869-628,543

Finding the Third Proportional to 301,869 and 628,543

Calculator

Solution

The third proportional to 301,869 and 628,543 is: 1,308,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,869 : 628,543 = 628,543 : x
  2. Step 2: Convert to fraction form
    301,869/628,543 = 628,543/x
  3. Step 3: Cross multiply
    301,869x = 628,543 × 628,543
  4. Step 4: Simplify right side
    301,869x = 395,066,302,849
  5. Step 5: Solve for x
    x = 395,066,302,849/301,869
  6. Step 6: Final answer
    x = 1,308,734.26

Related Problems

Find third proportional to 150,934.50 and 314,271.50
Half scale
Find third proportional to 603,738 and 1,257,086
Double scale
Find third proportional to 301,871 and 628,547
Similar ratio
Find third proportional to 452,803.50 and 942,814.50
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.