Home / 208,632-313,920

Finding the Third Proportional to 208,632 and 313,920

Calculator

Solution

The third proportional to 208,632 and 313,920 is: 472,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,632 : 313,920 = 313,920 : x
  2. Step 2: Convert to fraction form
    208,632/313,920 = 313,920/x
  3. Step 3: Cross multiply
    208,632x = 313,920 × 313,920
  4. Step 4: Simplify right side
    208,632x = 98,545,766,400
  5. Step 5: Solve for x
    x = 98,545,766,400/208,632
  6. Step 6: Final answer
    x = 472,342.53

Related Problems

Find third proportional to 104,316 and 156,960
Half scale
Find third proportional to 417,264 and 627,840
Double scale
Find third proportional to 208,634 and 313,923
Similar ratio
Find third proportional to 312,948 and 470,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.