Home / 222,189-317,505

Finding the Third Proportional to 222,189 and 317,505

Calculator

Solution

The third proportional to 222,189 and 317,505 is: 453,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,189 : 317,505 = 317,505 : x
  2. Step 2: Convert to fraction form
    222,189/317,505 = 317,505/x
  3. Step 3: Cross multiply
    222,189x = 317,505 × 317,505
  4. Step 4: Simplify right side
    222,189x = 100,809,425,025
  5. Step 5: Solve for x
    x = 100,809,425,025/222,189
  6. Step 6: Final answer
    x = 453,710.24

Related Problems

Find third proportional to 111,094.50 and 158,752.50
Half scale
Find third proportional to 444,378 and 635,010
Double scale
Find third proportional to 222,191 and 317,508
Similar ratio
Find third proportional to 333,283.50 and 476,257.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.