Home / 68,550-103,689

Finding the Third Proportional to 68,550 and 103,689

Calculator

Solution

The third proportional to 68,550 and 103,689 is: 156,840.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,550 : 103,689 = 103,689 : x
  2. Step 2: Convert to fraction form
    68,550/103,689 = 103,689/x
  3. Step 3: Cross multiply
    68,550x = 103,689 × 103,689
  4. Step 4: Simplify right side
    68,550x = 10,751,408,721
  5. Step 5: Solve for x
    x = 10,751,408,721/68,550
  6. Step 6: Final answer
    x = 156,840.39

Related Problems

Find third proportional to 34,275 and 51,844.50
Half scale
Find third proportional to 137,100 and 207,378
Double scale
Find third proportional to 68,552 and 103,692
Similar ratio
Find third proportional to 102,825 and 155,533.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.