Home / 68,955-105,438

Finding the Third Proportional to 68,955 and 105,438

Calculator

Solution

The third proportional to 68,955 and 105,438 is: 161,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,955 : 105,438 = 105,438 : x
  2. Step 2: Convert to fraction form
    68,955/105,438 = 105,438/x
  3. Step 3: Cross multiply
    68,955x = 105,438 × 105,438
  4. Step 4: Simplify right side
    68,955x = 11,117,171,844
  5. Step 5: Solve for x
    x = 11,117,171,844/68,955
  6. Step 6: Final answer
    x = 161,223.58

Related Problems

Find third proportional to 34,477.50 and 52,719
Half scale
Find third proportional to 137,910 and 210,876
Double scale
Find third proportional to 68,957 and 105,441
Similar ratio
Find third proportional to 103,432.50 and 158,157
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.