Home / 133,152-289,812

Finding the Third Proportional to 133,152 and 289,812

Calculator

Solution

The third proportional to 133,152 and 289,812 is: 630,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,152 : 289,812 = 289,812 : x
  2. Step 2: Convert to fraction form
    133,152/289,812 = 289,812/x
  3. Step 3: Cross multiply
    133,152x = 289,812 × 289,812
  4. Step 4: Simplify right side
    133,152x = 83,990,995,344
  5. Step 5: Solve for x
    x = 83,990,995,344/133,152
  6. Step 6: Final answer
    x = 630,790.34

Related Problems

Find third proportional to 66,576 and 144,906
Half scale
Find third proportional to 266,304 and 579,624
Double scale
Find third proportional to 133,154 and 289,816
Similar ratio
Find third proportional to 199,728 and 434,718
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.