Home / 133,112-288,378

Finding the Third Proportional to 133,112 and 288,378

Calculator

Solution

The third proportional to 133,112 and 288,378 is: 624,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,112 : 288,378 = 288,378 : x
  2. Step 2: Convert to fraction form
    133,112/288,378 = 288,378/x
  3. Step 3: Cross multiply
    133,112x = 288,378 × 288,378
  4. Step 4: Simplify right side
    133,112x = 83,161,870,884
  5. Step 5: Solve for x
    x = 83,161,870,884/133,112
  6. Step 6: Final answer
    x = 624,751.12

Related Problems

Find third proportional to 66,556 and 144,189
Half scale
Find third proportional to 266,224 and 576,756
Double scale
Find third proportional to 133,114 and 288,382
Similar ratio
Find third proportional to 199,668 and 432,567
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.