Home / 222,272-317,621

Finding the Third Proportional to 222,272 and 317,621

Calculator

Solution

The third proportional to 222,272 and 317,621 is: 453,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,272 : 317,621 = 317,621 : x
  2. Step 2: Convert to fraction form
    222,272/317,621 = 317,621/x
  3. Step 3: Cross multiply
    222,272x = 317,621 × 317,621
  4. Step 4: Simplify right side
    222,272x = 100,883,099,641
  5. Step 5: Solve for x
    x = 100,883,099,641/222,272
  6. Step 6: Final answer
    x = 453,872.28

Related Problems

Find third proportional to 111,136 and 158,810.50
Half scale
Find third proportional to 444,544 and 635,242
Double scale
Find third proportional to 222,274 and 317,624
Similar ratio
Find third proportional to 333,408 and 476,431.50
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.