Home / 55,724-78,102

Finding the Third Proportional to 55,724 and 78,102

Calculator

Solution

The third proportional to 55,724 and 78,102 is: 109,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,724 : 78,102 = 78,102 : x
  2. Step 2: Convert to fraction form
    55,724/78,102 = 78,102/x
  3. Step 3: Cross multiply
    55,724x = 78,102 × 78,102
  4. Step 4: Simplify right side
    55,724x = 6,099,922,404
  5. Step 5: Solve for x
    x = 6,099,922,404/55,724
  6. Step 6: Final answer
    x = 109,466.70

Related Problems

Find third proportional to 27,862 and 39,051
Half scale
Find third proportional to 111,448 and 156,204
Double scale
Find third proportional to 55,726 and 78,105
Similar ratio
Find third proportional to 83,586 and 117,153
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.