Home / 68,587-102,879

Finding the Third Proportional to 68,587 and 102,879

Calculator

Solution

The third proportional to 68,587 and 102,879 is: 154,316.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,587 : 102,879 = 102,879 : x
  2. Step 2: Convert to fraction form
    68,587/102,879 = 102,879/x
  3. Step 3: Cross multiply
    68,587x = 102,879 × 102,879
  4. Step 4: Simplify right side
    68,587x = 10,584,088,641
  5. Step 5: Solve for x
    x = 10,584,088,641/68,587
  6. Step 6: Final answer
    x = 154,316.25

Related Problems

Find third proportional to 34,293.50 and 51,439.50
Half scale
Find third proportional to 137,174 and 205,758
Double scale
Find third proportional to 68,589 and 102,882
Similar ratio
Find third proportional to 102,880.50 and 154,318.50
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.