Home / 68,986-105,484

Finding the Third Proportional to 68,986 and 105,484

Calculator

Solution

The third proportional to 68,986 and 105,484 is: 161,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986 : 105,484 = 105,484 : x
  2. Step 2: Convert to fraction form
    68,986/105,484 = 105,484/x
  3. Step 3: Cross multiply
    68,986x = 105,484 × 105,484
  4. Step 4: Simplify right side
    68,986x = 11,126,874,256
  5. Step 5: Solve for x
    x = 11,126,874,256/68,986
  6. Step 6: Final answer
    x = 161,291.77

Related Problems

Find third proportional to 34,493 and 52,742
Half scale
Find third proportional to 137,972 and 210,968
Double scale
Find third proportional to 68,988 and 105,487
Similar ratio
Find third proportional to 103,479 and 158,226
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.