Home / 133,572-289,968

Finding the Third Proportional to 133,572 and 289,968

Calculator

Solution

The third proportional to 133,572 and 289,968 is: 629,484.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,572 : 289,968 = 289,968 : x
  2. Step 2: Convert to fraction form
    133,572/289,968 = 289,968/x
  3. Step 3: Cross multiply
    133,572x = 289,968 × 289,968
  4. Step 4: Simplify right side
    133,572x = 84,081,441,024
  5. Step 5: Solve for x
    x = 84,081,441,024/133,572
  6. Step 6: Final answer
    x = 629,484.03

Related Problems

Find third proportional to 66,786 and 144,984
Half scale
Find third proportional to 267,144 and 579,936
Double scale
Find third proportional to 133,574 and 289,972
Similar ratio
Find third proportional to 200,358 and 434,952
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.