Home / 312,628.50-484,389

Finding the Third Proportional to 312,628.50 and 484,389

Calculator

Solution

The third proportional to 312,628.50 and 484,389 is: 750,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,628.50 : 484,389 = 484,389 : x
  2. Step 2: Convert to fraction form
    312,628.50/484,389 = 484,389/x
  3. Step 3: Cross multiply
    312,628.50x = 484,389 × 484,389
  4. Step 4: Simplify right side
    312,628.50x = 234,632,703,321
  5. Step 5: Solve for x
    x = 234,632,703,321/312,628.50
  6. Step 6: Final answer
    x = 750,516.04

Related Problems

Find third proportional to 156,314.25 and 242,194.50
Half scale
Find third proportional to 625,257 and 968,778
Double scale
Find third proportional to 312,631 and 484,392
Similar ratio
Find third proportional to 468,942.75 and 726,583.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.