Home / 291,896-628,812

Finding the Third Proportional to 291,896 and 628,812

Calculator

Solution

The third proportional to 291,896 and 628,812 is: 1,354,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,896 : 628,812 = 628,812 : x
  2. Step 2: Convert to fraction form
    291,896/628,812 = 628,812/x
  3. Step 3: Cross multiply
    291,896x = 628,812 × 628,812
  4. Step 4: Simplify right side
    291,896x = 395,404,531,344
  5. Step 5: Solve for x
    x = 395,404,531,344/291,896
  6. Step 6: Final answer
    x = 1,354,607.57

Related Problems

Find third proportional to 145,948 and 314,406
Half scale
Find third proportional to 583,792 and 1,257,624
Double scale
Find third proportional to 291,898 and 628,816
Similar ratio
Find third proportional to 437,844 and 943,218
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.